Home / 934,841.80-1,402,068.30-402,380.20

Finding the Fourth Proportional to 934,841.80, 1,402,068.30 and 402,380.20

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Solution

The fourth proportional to 934,841.80, 1,402,068.30 and 402,380.20 is: 603,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,841.80 : 1,402,068.30 = 402,380.20 : x
  2. Step 2: Convert to fraction form
    934,841.80/1,402,068.30 = 402,380.20/x
  3. Step 3: Cross multiply
    934,841.80x = 1,402,068.30 × 402,380.20
  4. Step 4: Simplify right side
    934,841.80x = 564,164,522,967.66
  5. Step 5: Solve for x
    x = 564,164,522,967.66/934,841.80
  6. Step 6: Final answer
    x = 603,486.63

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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.