Home / 860,605.16-1,291,082.69-299,683.40

Finding the Fourth Proportional to 860,605.16, 1,291,082.69 and 299,683.40

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Solution

The fourth proportional to 860,605.16, 1,291,082.69 and 299,683.40 is: 449,586.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,605.16 : 1,291,082.69 = 299,683.40 : x
  2. Step 2: Convert to fraction form
    860,605.16/1,291,082.69 = 299,683.40/x
  3. Step 3: Cross multiply
    860,605.16x = 1,291,082.69 × 299,683.40
  4. Step 4: Simplify right side
    860,605.16x = 386,916,044,514.14
  5. Step 5: Solve for x
    x = 386,916,044,514.14/860,605.16
  6. Step 6: Final answer
    x = 449,586.02

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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.