Home / 730,062.15-1,007,475.05-407,776.95

Finding the Fourth Proportional to 730,062.15, 1,007,475.05 and 407,776.95

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Solution

The fourth proportional to 730,062.15, 1,007,475.05 and 407,776.95 is: 562,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,062.15 : 1,007,475.05 = 407,776.95 : x
  2. Step 2: Convert to fraction form
    730,062.15/1,007,475.05 = 407,776.95/x
  3. Step 3: Cross multiply
    730,062.15x = 1,007,475.05 × 407,776.95
  4. Step 4: Simplify right side
    730,062.15x = 410,825,101,051.21
  5. Step 5: Solve for x
    x = 410,825,101,051.21/730,062.15
  6. Step 6: Final answer
    x = 562,726.20

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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.