Home / 963,971.55-1,330,280.89-534,279.42

Finding the Fourth Proportional to 963,971.55, 1,330,280.89 and 534,279.42

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Solution

The fourth proportional to 963,971.55, 1,330,280.89 and 534,279.42 is: 737,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,971.55 : 1,330,280.89 = 534,279.42 : x
  2. Step 2: Convert to fraction form
    963,971.55/1,330,280.89 = 534,279.42/x
  3. Step 3: Cross multiply
    963,971.55x = 1,330,280.89 × 534,279.42
  4. Step 4: Simplify right side
    963,971.55x = 710,741,701,010.59
  5. Step 5: Solve for x
    x = 710,741,701,010.59/963,971.55
  6. Step 6: Final answer
    x = 737,305.68

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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.