Home / 745,953.90-1,119,906.51-442,901.31

Finding the Fourth Proportional to 745,953.90, 1,119,906.51 and 442,901.31

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Solution

The fourth proportional to 745,953.90, 1,119,906.51 and 442,901.31 is: 664,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,953.90 : 1,119,906.51 = 442,901.31 : x
  2. Step 2: Convert to fraction form
    745,953.90/1,119,906.51 = 442,901.31/x
  3. Step 3: Cross multiply
    745,953.90x = 1,119,906.51 × 442,901.31
  4. Step 4: Simplify right side
    745,953.90x = 496,008,060,356.53
  5. Step 5: Solve for x
    x = 496,008,060,356.53/745,953.90
  6. Step 6: Final answer
    x = 664,931.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.