Home / 717,225.38-989,259.27-462,330.53

Finding the Fourth Proportional to 717,225.38, 989,259.27 and 462,330.53

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Solution

The fourth proportional to 717,225.38, 989,259.27 and 462,330.53 is: 637,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,225.38 : 989,259.27 = 462,330.53 : x
  2. Step 2: Convert to fraction form
    717,225.38/989,259.27 = 462,330.53/x
  3. Step 3: Cross multiply
    717,225.38x = 989,259.27 × 462,330.53
  4. Step 4: Simplify right side
    717,225.38x = 457,364,763,923.84
  5. Step 5: Solve for x
    x = 457,364,763,923.84/717,225.38
  6. Step 6: Final answer
    x = 637,686.25

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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.