Home / 771,218.10-1,156,827.15-546,831.90

Finding the Fourth Proportional to 771,218.10, 1,156,827.15 and 546,831.90

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Solution

The fourth proportional to 771,218.10, 1,156,827.15 and 546,831.90 is: 820,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,218.10 : 1,156,827.15 = 546,831.90 : x
  2. Step 2: Convert to fraction form
    771,218.10/1,156,827.15 = 546,831.90/x
  3. Step 3: Cross multiply
    771,218.10x = 1,156,827.15 × 546,831.90
  4. Step 4: Simplify right side
    771,218.10x = 632,589,988,406.09
  5. Step 5: Solve for x
    x = 632,589,988,406.09/771,218.10
  6. Step 6: Final answer
    x = 820,247.85

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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.