Home / 734,726.88-1,101,038.80-418,530.40

Finding the Fourth Proportional to 734,726.88, 1,101,038.80 and 418,530.40

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Solution

The fourth proportional to 734,726.88, 1,101,038.80 and 418,530.40 is: 627,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,726.88 : 1,101,038.80 = 418,530.40 : x
  2. Step 2: Convert to fraction form
    734,726.88/1,101,038.80 = 418,530.40/x
  3. Step 3: Cross multiply
    734,726.88x = 1,101,038.80 × 418,530.40
  4. Step 4: Simplify right side
    734,726.88x = 460,818,209,379.52
  5. Step 5: Solve for x
    x = 460,818,209,379.52/734,726.88
  6. Step 6: Final answer
    x = 627,196.61

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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.