Home / 887,444.40-1,330,259.40-437,473.20

Finding the Fourth Proportional to 887,444.40, 1,330,259.40 and 437,473.20

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Solution

The fourth proportional to 887,444.40, 1,330,259.40 and 437,473.20 is: 655,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,444.40 : 1,330,259.40 = 437,473.20 : x
  2. Step 2: Convert to fraction form
    887,444.40/1,330,259.40 = 437,473.20/x
  3. Step 3: Cross multiply
    887,444.40x = 1,330,259.40 × 437,473.20
  4. Step 4: Simplify right side
    887,444.40x = 581,952,836,548.08
  5. Step 5: Solve for x
    x = 581,952,836,548.08/887,444.40
  6. Step 6: Final answer
    x = 655,762.59

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Double scale
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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.