Home / 947,398.69-1,307,501.63-517,743.91

Finding the Fourth Proportional to 947,398.69, 1,307,501.63 and 517,743.91

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Solution

The fourth proportional to 947,398.69, 1,307,501.63 and 517,743.91 is: 714,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,398.69 : 1,307,501.63 = 517,743.91 : x
  2. Step 2: Convert to fraction form
    947,398.69/1,307,501.63 = 517,743.91/x
  3. Step 3: Cross multiply
    947,398.69x = 1,307,501.63 × 517,743.91
  4. Step 4: Simplify right side
    947,398.69x = 676,951,006,247.57
  5. Step 5: Solve for x
    x = 676,951,006,247.57/947,398.69
  6. Step 6: Final answer
    x = 714,536.57

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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.