Home / 834,313.60-1,151,345.92-471,808.72

Finding the Fourth Proportional to 834,313.60, 1,151,345.92 and 471,808.72

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Solution

The fourth proportional to 834,313.60, 1,151,345.92 and 471,808.72 is: 651,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,313.60 : 1,151,345.92 = 471,808.72 : x
  2. Step 2: Convert to fraction form
    834,313.60/1,151,345.92 = 471,808.72/x
  3. Step 3: Cross multiply
    834,313.60x = 1,151,345.92 × 471,808.72
  4. Step 4: Simplify right side
    834,313.60x = 543,215,044,792.42
  5. Step 5: Solve for x
    x = 543,215,044,792.42/834,313.60
  6. Step 6: Final answer
    x = 651,092.16

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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.