Home / 955,275.79-1,318,280.53-525,546.70

Finding the Fourth Proportional to 955,275.79, 1,318,280.53 and 525,546.70

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Solution

The fourth proportional to 955,275.79, 1,318,280.53 and 525,546.70 is: 725,254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,275.79 : 1,318,280.53 = 525,546.70 : x
  2. Step 2: Convert to fraction form
    955,275.79/1,318,280.53 = 525,546.70/x
  3. Step 3: Cross multiply
    955,275.79x = 1,318,280.53 × 525,546.70
  4. Step 4: Simplify right side
    955,275.79x = 692,817,982,215.75
  5. Step 5: Solve for x
    x = 692,817,982,215.75/955,275.79
  6. Step 6: Final answer
    x = 725,254.41

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1.5x scale

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.