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Finding the Fourth Proportional to 555,064.08, 766,008.33 and 313,389.66

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Solution

The fourth proportional to 555,064.08, 766,008.33 and 313,389.66 is: 432,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,064.08 : 766,008.33 = 313,389.66 : x
  2. Step 2: Convert to fraction form
    555,064.08/766,008.33 = 313,389.66/x
  3. Step 3: Cross multiply
    555,064.08x = 766,008.33 × 313,389.66
  4. Step 4: Simplify right side
    555,064.08x = 240,059,090,095.87
  5. Step 5: Solve for x
    x = 240,059,090,095.87/555,064.08
  6. Step 6: Final answer
    x = 432,488.97

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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.