Home / 486,947.06-671,974.41-272,088.89

Finding the Fourth Proportional to 486,947.06, 671,974.41 and 272,088.89

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Solution

The fourth proportional to 486,947.06, 671,974.41 and 272,088.89 is: 375,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,947.06 : 671,974.41 = 272,088.89 : x
  2. Step 2: Convert to fraction form
    486,947.06/671,974.41 = 272,088.89/x
  3. Step 3: Cross multiply
    486,947.06x = 671,974.41 × 272,088.89
  4. Step 4: Simplify right side
    486,947.06x = 182,836,771,984.91
  5. Step 5: Solve for x
    x = 182,836,771,984.91/486,947.06
  6. Step 6: Final answer
    x = 375,475.66

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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.