Home / 709,829.80-1,064,744.70-472,402.60

Finding the Fourth Proportional to 709,829.80, 1,064,744.70 and 472,402.60

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Solution

The fourth proportional to 709,829.80, 1,064,744.70 and 472,402.60 is: 708,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,829.80 : 1,064,744.70 = 472,402.60 : x
  2. Step 2: Convert to fraction form
    709,829.80/1,064,744.70 = 472,402.60/x
  3. Step 3: Cross multiply
    709,829.80x = 1,064,744.70 × 472,402.60
  4. Step 4: Simplify right side
    709,829.80x = 502,988,164,616.22
  5. Step 5: Solve for x
    x = 502,988,164,616.22/709,829.80
  6. Step 6: Final answer
    x = 708,603.90

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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.