Home / 671,948.16-927,288.42-370,142.16

Finding the Fourth Proportional to 671,948.16, 927,288.42 and 370,142.16

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Solution

The fourth proportional to 671,948.16, 927,288.42 and 370,142.16 is: 510,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,948.16 : 927,288.42 = 370,142.16 : x
  2. Step 2: Convert to fraction form
    671,948.16/927,288.42 = 370,142.16/x
  3. Step 3: Cross multiply
    671,948.16x = 927,288.42 × 370,142.16
  4. Step 4: Simplify right side
    671,948.16x = 343,228,538,721.79
  5. Step 5: Solve for x
    x = 343,228,538,721.79/671,948.16
  6. Step 6: Final answer
    x = 510,796.16

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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.