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Finding the Fourth Proportional to 590,929.22, 880,772.56 and 557,295.90

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Solution

The fourth proportional to 590,929.22, 880,772.56 and 557,295.90 is: 830,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,929.22 : 880,772.56 = 557,295.90 : x
  2. Step 2: Convert to fraction form
    590,929.22/880,772.56 = 557,295.90/x
  3. Step 3: Cross multiply
    590,929.22x = 880,772.56 × 557,295.90
  4. Step 4: Simplify right side
    590,929.22x = 490,850,933,391.76
  5. Step 5: Solve for x
    x = 490,850,933,391.76/590,929.22
  6. Step 6: Final answer
    x = 830,642.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.