Home / 947,437.09-1,307,466.59-517,717.22

Finding the Fourth Proportional to 947,437.09, 1,307,466.59 and 517,717.22

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Solution

The fourth proportional to 947,437.09, 1,307,466.59 and 517,717.22 is: 714,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,437.09 : 1,307,466.59 = 517,717.22 : x
  2. Step 2: Convert to fraction form
    947,437.09/1,307,466.59 = 517,717.22/x
  3. Step 3: Cross multiply
    947,437.09x = 1,307,466.59 × 517,717.22
  4. Step 4: Simplify right side
    947,437.09x = 676,897,959,091.76
  5. Step 5: Solve for x
    x = 676,897,959,091.76/947,437.09
  6. Step 6: Final answer
    x = 714,451.62

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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.