Home / 853,746.72-1,178,170.89-471,773.49

Finding the Fourth Proportional to 853,746.72, 1,178,170.89 and 471,773.49

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Solution

The fourth proportional to 853,746.72, 1,178,170.89 and 471,773.49 is: 651,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,746.72 : 1,178,170.89 = 471,773.49 : x
  2. Step 2: Convert to fraction form
    853,746.72/1,178,170.89 = 471,773.49/x
  3. Step 3: Cross multiply
    853,746.72x = 1,178,170.89 × 471,773.49
  4. Step 4: Simplify right side
    853,746.72x = 555,829,792,591.71
  5. Step 5: Solve for x
    x = 555,829,792,591.71/853,746.72
  6. Step 6: Final answer
    x = 651,047.65

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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.