Home / 906,388.16-1,250,835.66-498,510.65

Finding the Fourth Proportional to 906,388.16, 1,250,835.66 and 498,510.65

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Solution

The fourth proportional to 906,388.16, 1,250,835.66 and 498,510.65 is: 687,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,388.16 : 1,250,835.66 = 498,510.65 : x
  2. Step 2: Convert to fraction form
    906,388.16/1,250,835.66 = 498,510.65/x
  3. Step 3: Cross multiply
    906,388.16x = 1,250,835.66 × 498,510.65
  4. Step 4: Simplify right side
    906,388.16x = 623,554,897,909.78
  5. Step 5: Solve for x
    x = 623,554,897,909.78/906,388.16
  6. Step 6: Final answer
    x = 687,955.70

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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.