Home / 914,649.72-1,370,477.85-553,726.61

Finding the Fourth Proportional to 914,649.72, 1,370,477.85 and 553,726.61

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Solution

The fourth proportional to 914,649.72, 1,370,477.85 and 553,726.61 is: 829,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,649.72 : 1,370,477.85 = 553,726.61 : x
  2. Step 2: Convert to fraction form
    914,649.72/1,370,477.85 = 553,726.61/x
  3. Step 3: Cross multiply
    914,649.72x = 1,370,477.85 × 553,726.61
  4. Step 4: Simplify right side
    914,649.72x = 758,870,050,988.62
  5. Step 5: Solve for x
    x = 758,870,050,988.62/914,649.72
  6. Step 6: Final answer
    x = 829,683.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.