Home / 834,315.78-1,151,380.06-471,731.86

Finding the Fourth Proportional to 834,315.78, 1,151,380.06 and 471,731.86

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Solution

The fourth proportional to 834,315.78, 1,151,380.06 and 471,731.86 is: 651,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,315.78 : 1,151,380.06 = 471,731.86 : x
  2. Step 2: Convert to fraction form
    834,315.78/1,151,380.06 = 471,731.86/x
  3. Step 3: Cross multiply
    834,315.78x = 1,151,380.06 × 471,731.86
  4. Step 4: Simplify right side
    834,315.78x = 543,142,657,270.71
  5. Step 5: Solve for x
    x = 543,142,657,270.71/834,315.78
  6. Step 6: Final answer
    x = 651,003.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.