Home / 761,100.52-1,142,359.26-387,403.24

Finding the Fourth Proportional to 761,100.52, 1,142,359.26 and 387,403.24

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Solution

The fourth proportional to 761,100.52, 1,142,359.26 and 387,403.24 is: 581,465.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,100.52 : 1,142,359.26 = 387,403.24 : x
  2. Step 2: Convert to fraction form
    761,100.52/1,142,359.26 = 387,403.24/x
  3. Step 3: Cross multiply
    761,100.52x = 1,142,359.26 × 387,403.24
  4. Step 4: Simplify right side
    761,100.52x = 442,553,678,568.00
  5. Step 5: Solve for x
    x = 442,553,678,568.00/761,100.52
  6. Step 6: Final answer
    x = 581,465.48

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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.