Home / 788,490.38-1,088,117.14-425,914.23

Finding the Fourth Proportional to 788,490.38, 1,088,117.14 and 425,914.23

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Solution

The fourth proportional to 788,490.38, 1,088,117.14 and 425,914.23 is: 587,761.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,490.38 : 1,088,117.14 = 425,914.23 : x
  2. Step 2: Convert to fraction form
    788,490.38/1,088,117.14 = 425,914.23/x
  3. Step 3: Cross multiply
    788,490.38x = 1,088,117.14 × 425,914.23
  4. Step 4: Simplify right side
    788,490.38x = 463,444,573,832.90
  5. Step 5: Solve for x
    x = 463,444,573,832.90/788,490.38
  6. Step 6: Final answer
    x = 587,761.86

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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.