Home / 938,110.56-1,294,657.28-570,731.02

Finding the Fourth Proportional to 938,110.56, 1,294,657.28 and 570,731.02

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Solution

The fourth proportional to 938,110.56, 1,294,657.28 and 570,731.02 is: 787,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,110.56 : 1,294,657.28 = 570,731.02 : x
  2. Step 2: Convert to fraction form
    938,110.56/1,294,657.28 = 570,731.02/x
  3. Step 3: Cross multiply
    938,110.56x = 1,294,657.28 × 570,731.02
  4. Step 4: Simplify right side
    938,110.56x = 738,901,069,964.83
  5. Step 5: Solve for x
    x = 738,901,069,964.83/938,110.56
  6. Step 6: Final answer
    x = 787,648.17

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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.