Home / 735,376.80-1,102,280.40-419,152.80

Finding the Fourth Proportional to 735,376.80, 1,102,280.40 and 419,152.80

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Solution

The fourth proportional to 735,376.80, 1,102,280.40 and 419,152.80 is: 628,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,376.80 : 1,102,280.40 = 419,152.80 : x
  2. Step 2: Convert to fraction form
    735,376.80/1,102,280.40 = 419,152.80/x
  3. Step 3: Cross multiply
    735,376.80x = 1,102,280.40 × 419,152.80
  4. Step 4: Simplify right side
    735,376.80x = 462,023,916,045.12
  5. Step 5: Solve for x
    x = 462,023,916,045.12/735,376.80
  6. Step 6: Final answer
    x = 628,281.88

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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.