Home / 906,316.02-1,250,687.47-498,416.60

Finding the Fourth Proportional to 906,316.02, 1,250,687.47 and 498,416.60

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Solution

The fourth proportional to 906,316.02, 1,250,687.47 and 498,416.60 is: 687,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,316.02 : 1,250,687.47 = 498,416.60 : x
  2. Step 2: Convert to fraction form
    906,316.02/1,250,687.47 = 498,416.60/x
  3. Step 3: Cross multiply
    906,316.02x = 1,250,687.47 × 498,416.60
  4. Step 4: Simplify right side
    906,316.02x = 623,363,393,333.28
  5. Step 5: Solve for x
    x = 623,363,393,333.28/906,316.02
  6. Step 6: Final answer
    x = 687,799.16

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Double scale
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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.