Home / 955,144.46-1,318,047.45-525,355.22

Finding the Fourth Proportional to 955,144.46, 1,318,047.45 and 525,355.22

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Solution

The fourth proportional to 955,144.46, 1,318,047.45 and 525,355.22 is: 724,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,144.46 : 1,318,047.45 = 525,355.22 : x
  2. Step 2: Convert to fraction form
    955,144.46/1,318,047.45 = 525,355.22/x
  3. Step 3: Cross multiply
    955,144.46x = 1,318,047.45 × 525,355.22
  4. Step 4: Simplify right side
    955,144.46x = 692,443,108,065.19
  5. Step 5: Solve for x
    x = 692,443,108,065.19/955,144.46
  6. Step 6: Final answer
    x = 724,961.65

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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.