Home / 943,192.55-1,301,564.88-513,474.18

Finding the Fourth Proportional to 943,192.55, 1,301,564.88 and 513,474.18

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Solution

The fourth proportional to 943,192.55, 1,301,564.88 and 513,474.18 is: 708,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,192.55 : 1,301,564.88 = 513,474.18 : x
  2. Step 2: Convert to fraction form
    943,192.55/1,301,564.88 = 513,474.18/x
  3. Step 3: Cross multiply
    943,192.55x = 1,301,564.88 × 513,474.18
  4. Step 4: Simplify right side
    943,192.55x = 668,319,959,474.80
  5. Step 5: Solve for x
    x = 668,319,959,474.80/943,192.55
  6. Step 6: Final answer
    x = 708,572.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.