Home / 834,374.72-1,151,365.92-471,780.80

Finding the Fourth Proportional to 834,374.72, 1,151,365.92 and 471,780.80

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Solution

The fourth proportional to 834,374.72, 1,151,365.92 and 471,780.80 is: 651,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,374.72 : 1,151,365.92 = 471,780.80 : x
  2. Step 2: Convert to fraction form
    834,374.72/1,151,365.92 = 471,780.80/x
  3. Step 3: Cross multiply
    834,374.72x = 1,151,365.92 × 471,780.80
  4. Step 4: Simplify right side
    834,374.72x = 543,192,334,830.34
  5. Step 5: Solve for x
    x = 543,192,334,830.34/834,374.72
  6. Step 6: Final answer
    x = 651,017.25

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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.