Home / 710,440.20-1,065,660.30-512,152.20

Finding the Fourth Proportional to 710,440.20, 1,065,660.30 and 512,152.20

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Solution

The fourth proportional to 710,440.20, 1,065,660.30 and 512,152.20 is: 768,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,440.20 : 1,065,660.30 = 512,152.20 : x
  2. Step 2: Convert to fraction form
    710,440.20/1,065,660.30 = 512,152.20/x
  3. Step 3: Cross multiply
    710,440.20x = 1,065,660.30 × 512,152.20
  4. Step 4: Simplify right side
    710,440.20x = 545,780,267,097.66
  5. Step 5: Solve for x
    x = 545,780,267,097.66/710,440.20
  6. Step 6: Final answer
    x = 768,228.30

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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.