Home / 478,557.32-660,423.19-263,711.23

Finding the Fourth Proportional to 478,557.32, 660,423.19 and 263,711.23

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Solution

The fourth proportional to 478,557.32, 660,423.19 and 263,711.23 is: 363,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,557.32 : 660,423.19 = 263,711.23 : x
  2. Step 2: Convert to fraction form
    478,557.32/660,423.19 = 263,711.23/x
  3. Step 3: Cross multiply
    478,557.32x = 660,423.19 × 263,711.23
  4. Step 4: Simplify right side
    478,557.32x = 174,161,008,453.31
  5. Step 5: Solve for x
    x = 174,161,008,453.31/478,557.32
  6. Step 6: Final answer
    x = 363,929.25

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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.