Home / 628,200.90-942,301.35-452,366.10

Finding the Fourth Proportional to 628,200.90, 942,301.35 and 452,366.10

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Solution

The fourth proportional to 628,200.90, 942,301.35 and 452,366.10 is: 678,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,200.90 : 942,301.35 = 452,366.10 : x
  2. Step 2: Convert to fraction form
    628,200.90/942,301.35 = 452,366.10/x
  3. Step 3: Cross multiply
    628,200.90x = 942,301.35 × 452,366.10
  4. Step 4: Simplify right side
    628,200.90x = 426,265,186,724.24
  5. Step 5: Solve for x
    x = 426,265,186,724.24/628,200.90
  6. Step 6: Final answer
    x = 678,549.15

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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.