Home / 889,631.20-1,334,446.80-534,462.40

Finding the Fourth Proportional to 889,631.20, 1,334,446.80 and 534,462.40

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Solution

The fourth proportional to 889,631.20, 1,334,446.80 and 534,462.40 is: 801,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,631.20 : 1,334,446.80 = 534,462.40 : x
  2. Step 2: Convert to fraction form
    889,631.20/1,334,446.80 = 534,462.40/x
  3. Step 3: Cross multiply
    889,631.20x = 1,334,446.80 × 534,462.40
  4. Step 4: Simplify right side
    889,631.20x = 713,211,639,400.32
  5. Step 5: Solve for x
    x = 713,211,639,400.32/889,631.20
  6. Step 6: Final answer
    x = 801,693.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.