Home / 467,535.81-645,047.50-286,058.55

Finding the Fourth Proportional to 467,535.81, 645,047.50 and 286,058.55

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Solution

The fourth proportional to 467,535.81, 645,047.50 and 286,058.55 is: 394,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,535.81 : 645,047.50 = 286,058.55 : x
  2. Step 2: Convert to fraction form
    467,535.81/645,047.50 = 286,058.55/x
  3. Step 3: Cross multiply
    467,535.81x = 645,047.50 × 286,058.55
  4. Step 4: Simplify right side
    467,535.81x = 184,521,352,531.13
  5. Step 5: Solve for x
    x = 184,521,352,531.13/467,535.81
  6. Step 6: Final answer
    x = 394,667.85

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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.