Home / 656,974.98-906,158.70-427,108.32

Finding the Fourth Proportional to 656,974.98, 906,158.70 and 427,108.32

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Solution

The fourth proportional to 656,974.98, 906,158.70 and 427,108.32 is: 589,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,974.98 : 906,158.70 = 427,108.32 : x
  2. Step 2: Convert to fraction form
    656,974.98/906,158.70 = 427,108.32/x
  3. Step 3: Cross multiply
    656,974.98x = 906,158.70 × 427,108.32
  4. Step 4: Simplify right side
    656,974.98x = 387,027,920,010.38
  5. Step 5: Solve for x
    x = 387,027,920,010.38/656,974.98
  6. Step 6: Final answer
    x = 589,106.03

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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.