Home / 830,294.02-1,245,442.20-231,256.90

Finding the Fourth Proportional to 830,294.02, 1,245,442.20 and 231,256.90

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Solution

The fourth proportional to 830,294.02, 1,245,442.20 and 231,256.90 is: 346,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,294.02 : 1,245,442.20 = 231,256.90 : x
  2. Step 2: Convert to fraction form
    830,294.02/1,245,442.20 = 231,256.90/x
  3. Step 3: Cross multiply
    830,294.02x = 1,245,442.20 × 231,256.90
  4. Step 4: Simplify right side
    830,294.02x = 288,017,102,301.18
  5. Step 5: Solve for x
    x = 288,017,102,301.18/830,294.02
  6. Step 6: Final answer
    x = 346,885.68

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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.