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Finding the Fourth Proportional to 478,876.65, 660,854.25 and 264,024.39

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Solution

The fourth proportional to 478,876.65, 660,854.25 and 264,024.39 is: 364,356.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,876.65 : 660,854.25 = 264,024.39 : x
  2. Step 2: Convert to fraction form
    478,876.65/660,854.25 = 264,024.39/x
  3. Step 3: Cross multiply
    478,876.65x = 660,854.25 × 264,024.39
  4. Step 4: Simplify right side
    478,876.65x = 174,481,640,235.16
  5. Step 5: Solve for x
    x = 174,481,640,235.16/478,876.65
  6. Step 6: Final answer
    x = 364,356.12

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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.