Home / 785,437.68-1,178,132.96-216,853.48

Finding the Fourth Proportional to 785,437.68, 1,178,132.96 and 216,853.48

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Solution

The fourth proportional to 785,437.68, 1,178,132.96 and 216,853.48 is: 325,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,437.68 : 1,178,132.96 = 216,853.48 : x
  2. Step 2: Convert to fraction form
    785,437.68/1,178,132.96 = 216,853.48/x
  3. Step 3: Cross multiply
    785,437.68x = 1,178,132.96 × 216,853.48
  4. Step 4: Simplify right side
    785,437.68x = 255,482,232,278.70
  5. Step 5: Solve for x
    x = 255,482,232,278.70/785,437.68
  6. Step 6: Final answer
    x = 325,273.72

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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.