Home / 761,232.38-1,050,500.69-455,321.66

Finding the Fourth Proportional to 761,232.38, 1,050,500.69 and 455,321.66

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Solution

The fourth proportional to 761,232.38, 1,050,500.69 and 455,321.66 is: 628,343.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,232.38 : 1,050,500.69 = 455,321.66 : x
  2. Step 2: Convert to fraction form
    761,232.38/1,050,500.69 = 455,321.66/x
  3. Step 3: Cross multiply
    761,232.38x = 1,050,500.69 × 455,321.66
  4. Step 4: Simplify right side
    761,232.38x = 478,315,710,472.83
  5. Step 5: Solve for x
    x = 478,315,710,472.83/761,232.38
  6. Step 6: Final answer
    x = 628,343.89

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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.