Home / 289,823.52-432,624.10-268,454.16

Finding the Fourth Proportional to 289,823.52, 432,624.10 and 268,454.16

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Solution

The fourth proportional to 289,823.52, 432,624.10 and 268,454.16 is: 400,725.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,823.52 : 432,624.10 = 268,454.16 : x
  2. Step 2: Convert to fraction form
    289,823.52/432,624.10 = 268,454.16/x
  3. Step 3: Cross multiply
    289,823.52x = 432,624.10 × 268,454.16
  4. Step 4: Simplify right side
    289,823.52x = 116,139,739,361.26
  5. Step 5: Solve for x
    x = 116,139,739,361.26/289,823.52
  6. Step 6: Final answer
    x = 400,725.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.