Home / 802,430.55-1,202,982.44-625,720.95

Finding the Fourth Proportional to 802,430.55, 1,202,982.44 and 625,720.95

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Solution

The fourth proportional to 802,430.55, 1,202,982.44 and 625,720.95 is: 938,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,430.55 : 1,202,982.44 = 625,720.95 : x
  2. Step 2: Convert to fraction form
    802,430.55/1,202,982.44 = 625,720.95/x
  3. Step 3: Cross multiply
    802,430.55x = 1,202,982.44 × 625,720.95
  4. Step 4: Simplify right side
    802,430.55x = 752,731,312,061.51
  5. Step 5: Solve for x
    x = 752,731,312,061.51/802,430.55
  6. Step 6: Final answer
    x = 938,064.13

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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.