Home / 765,686.40-1,148,774.40-233,308.80

Finding the Fourth Proportional to 765,686.40, 1,148,774.40 and 233,308.80

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Solution

The fourth proportional to 765,686.40, 1,148,774.40 and 233,308.80 is: 350,037.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,686.40 : 1,148,774.40 = 233,308.80 : x
  2. Step 2: Convert to fraction form
    765,686.40/1,148,774.40 = 233,308.80/x
  3. Step 3: Cross multiply
    765,686.40x = 1,148,774.40 × 233,308.80
  4. Step 4: Simplify right side
    765,686.40x = 268,019,176,734.72
  5. Step 5: Solve for x
    x = 268,019,176,734.72/765,686.40
  6. Step 6: Final answer
    x = 350,037.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.