Home / 434,280.40-651,420.60-292,562.80

Finding the Fourth Proportional to 434,280.40, 651,420.60 and 292,562.80

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Solution

The fourth proportional to 434,280.40, 651,420.60 and 292,562.80 is: 438,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,280.40 : 651,420.60 = 292,562.80 : x
  2. Step 2: Convert to fraction form
    434,280.40/651,420.60 = 292,562.80/x
  3. Step 3: Cross multiply
    434,280.40x = 651,420.60 × 292,562.80
  4. Step 4: Simplify right side
    434,280.40x = 190,581,434,713.68
  5. Step 5: Solve for x
    x = 190,581,434,713.68/434,280.40
  6. Step 6: Final answer
    x = 438,844.20

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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.