Home / 542,848.24-749,134.72-297,831.36

Finding the Fourth Proportional to 542,848.24, 749,134.72 and 297,831.36

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Solution

The fourth proportional to 542,848.24, 749,134.72 and 297,831.36 is: 411,009.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,848.24 : 749,134.72 = 297,831.36 : x
  2. Step 2: Convert to fraction form
    542,848.24/749,134.72 = 297,831.36/x
  3. Step 3: Cross multiply
    542,848.24x = 749,134.72 × 297,831.36
  4. Step 4: Simplify right side
    542,848.24x = 223,115,812,480.82
  5. Step 5: Solve for x
    x = 223,115,812,480.82/542,848.24
  6. Step 6: Final answer
    x = 411,009.55

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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.