Home / 912,321.55-1,369,045.12-463,364.61

Finding the Fourth Proportional to 912,321.55, 1,369,045.12 and 463,364.61

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Solution

The fourth proportional to 912,321.55, 1,369,045.12 and 463,364.61 is: 695,332.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,321.55 : 1,369,045.12 = 463,364.61 : x
  2. Step 2: Convert to fraction form
    912,321.55/1,369,045.12 = 463,364.61/x
  3. Step 3: Cross multiply
    912,321.55x = 1,369,045.12 × 463,364.61
  4. Step 4: Simplify right side
    912,321.55x = 634,367,058,101.20
  5. Step 5: Solve for x
    x = 634,367,058,101.20/912,321.55
  6. Step 6: Final answer
    x = 695,332.76

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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.