Home / 822,931.26-1,234,144.20-290,327.74

Finding the Fourth Proportional to 822,931.26, 1,234,144.20 and 290,327.74

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Solution

The fourth proportional to 822,931.26, 1,234,144.20 and 290,327.74 is: 435,402.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,931.26 : 1,234,144.20 = 290,327.74 : x
  2. Step 2: Convert to fraction form
    822,931.26/1,234,144.20 = 290,327.74/x
  3. Step 3: Cross multiply
    822,931.26x = 1,234,144.20 × 290,327.74
  4. Step 4: Simplify right side
    822,931.26x = 358,306,296,420.11
  5. Step 5: Solve for x
    x = 358,306,296,420.11/822,931.26
  6. Step 6: Final answer
    x = 435,402.46

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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.