Home / 885,254.89-1,221,732.21-503,280.76

Finding the Fourth Proportional to 885,254.89, 1,221,732.21 and 503,280.76

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Solution

The fourth proportional to 885,254.89, 1,221,732.21 and 503,280.76 is: 694,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,254.89 : 1,221,732.21 = 503,280.76 : x
  2. Step 2: Convert to fraction form
    885,254.89/1,221,732.21 = 503,280.76/x
  3. Step 3: Cross multiply
    885,254.89x = 1,221,732.21 × 503,280.76
  4. Step 4: Simplify right side
    885,254.89x = 614,874,315,165.28
  5. Step 5: Solve for x
    x = 614,874,315,165.28/885,254.89
  6. Step 6: Final answer
    x = 694,573.19

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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.