Home / 749,868.66-1,034,839.08-459,475.20

Finding the Fourth Proportional to 749,868.66, 1,034,839.08 and 459,475.20

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Solution

The fourth proportional to 749,868.66, 1,034,839.08 and 459,475.20 is: 634,088.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,868.66 : 1,034,839.08 = 459,475.20 : x
  2. Step 2: Convert to fraction form
    749,868.66/1,034,839.08 = 459,475.20/x
  3. Step 3: Cross multiply
    749,868.66x = 1,034,839.08 × 459,475.20
  4. Step 4: Simplify right side
    749,868.66x = 475,482,893,250.82
  5. Step 5: Solve for x
    x = 475,482,893,250.82/749,868.66
  6. Step 6: Final answer
    x = 634,088.23

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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.