Home / 730,311.14-1,007,810.78-408,023.66

Finding the Fourth Proportional to 730,311.14, 1,007,810.78 and 408,023.66

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Solution

The fourth proportional to 730,311.14, 1,007,810.78 and 408,023.66 is: 563,062.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,311.14 : 1,007,810.78 = 408,023.66 : x
  2. Step 2: Convert to fraction form
    730,311.14/1,007,810.78 = 408,023.66/x
  3. Step 3: Cross multiply
    730,311.14x = 1,007,810.78 × 408,023.66
  4. Step 4: Simplify right side
    730,311.14x = 411,210,643,522.46
  5. Step 5: Solve for x
    x = 411,210,643,522.46/730,311.14
  6. Step 6: Final answer
    x = 563,062.26

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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.