Home / 702,123.40-1,051,629.90-577,707.40

Finding the Fourth Proportional to 702,123.40, 1,051,629.90 and 577,707.40

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Solution

The fourth proportional to 702,123.40, 1,051,629.90 and 577,707.40 is: 865,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,123.40 : 1,051,629.90 = 577,707.40 : x
  2. Step 2: Convert to fraction form
    702,123.40/1,051,629.90 = 577,707.40/x
  3. Step 3: Cross multiply
    702,123.40x = 1,051,629.90 × 577,707.40
  4. Step 4: Simplify right side
    702,123.40x = 607,534,375,291.26
  5. Step 5: Solve for x
    x = 607,534,375,291.26/702,123.40
  6. Step 6: Final answer
    x = 865,281.48

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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.