Home / 423,098.99-583,962.56-287,176.74

Finding the Fourth Proportional to 423,098.99, 583,962.56 and 287,176.74

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Solution

The fourth proportional to 423,098.99, 583,962.56 and 287,176.74 is: 396,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,098.99 : 583,962.56 = 287,176.74 : x
  2. Step 2: Convert to fraction form
    423,098.99/583,962.56 = 287,176.74/x
  3. Step 3: Cross multiply
    423,098.99x = 583,962.56 × 287,176.74
  4. Step 4: Simplify right side
    423,098.99x = 167,700,462,826.97
  5. Step 5: Solve for x
    x = 167,700,462,826.97/423,098.99
  6. Step 6: Final answer
    x = 396,362.24

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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.