Home / 749,617.80-1,034,480.72-410,078.76

Finding the Fourth Proportional to 749,617.80, 1,034,480.72 and 410,078.76

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Solution

The fourth proportional to 749,617.80, 1,034,480.72 and 410,078.76 is: 565,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,617.80 : 1,034,480.72 = 410,078.76 : x
  2. Step 2: Convert to fraction form
    749,617.80/1,034,480.72 = 410,078.76/x
  3. Step 3: Cross multiply
    749,617.80x = 1,034,480.72 × 410,078.76
  4. Step 4: Simplify right side
    749,617.80x = 424,218,570,901.51
  5. Step 5: Solve for x
    x = 424,218,570,901.51/749,617.80
  6. Step 6: Final answer
    x = 565,913.15

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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.