Home / 904,492.20-1,357,515.90-399,829.80

Finding the Fourth Proportional to 904,492.20, 1,357,515.90 and 399,829.80

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Solution

The fourth proportional to 904,492.20, 1,357,515.90 and 399,829.80 is: 600,088.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,492.20 : 1,357,515.90 = 399,829.80 : x
  2. Step 2: Convert to fraction form
    904,492.20/1,357,515.90 = 399,829.80/x
  3. Step 3: Cross multiply
    904,492.20x = 1,357,515.90 × 399,829.80
  4. Step 4: Simplify right side
    904,492.20x = 542,775,310,793.82
  5. Step 5: Solve for x
    x = 542,775,310,793.82/904,492.20
  6. Step 6: Final answer
    x = 600,088.44

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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.