Home / 907,510.68-1,252,345.02-499,596.92

Finding the Fourth Proportional to 907,510.68, 1,252,345.02 and 499,596.92

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Solution

The fourth proportional to 907,510.68, 1,252,345.02 and 499,596.92 is: 689,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,510.68 : 1,252,345.02 = 499,596.92 : x
  2. Step 2: Convert to fraction form
    907,510.68/1,252,345.02 = 499,596.92/x
  3. Step 3: Cross multiply
    907,510.68x = 1,252,345.02 × 499,596.92
  4. Step 4: Simplify right side
    907,510.68x = 625,667,708,507.61
  5. Step 5: Solve for x
    x = 625,667,708,507.61/907,510.68
  6. Step 6: Final answer
    x = 689,432.89

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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.