Home / 947,451.60-1,307,427.48-517,646.16

Finding the Fourth Proportional to 947,451.60, 1,307,427.48 and 517,646.16

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Solution

The fourth proportional to 947,451.60, 1,307,427.48 and 517,646.16 is: 714,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,451.60 : 1,307,427.48 = 517,646.16 : x
  2. Step 2: Convert to fraction form
    947,451.60/1,307,427.48 = 517,646.16/x
  3. Step 3: Cross multiply
    947,451.60x = 1,307,427.48 × 517,646.16
  4. Step 4: Simplify right side
    947,451.60x = 676,784,814,500.48
  5. Step 5: Solve for x
    x = 676,784,814,500.48/947,451.60
  6. Step 6: Final answer
    x = 714,321.25

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Double scale
Find fourth proportional to 947,452.60, 1,307,428.86 and 517,647.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.