Home / 784,515.75-1,176,316.38-304,182.40

Finding the Fourth Proportional to 784,515.75, 1,176,316.38 and 304,182.40

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Solution

The fourth proportional to 784,515.75, 1,176,316.38 and 304,182.40 is: 456,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,515.75 : 1,176,316.38 = 304,182.40 : x
  2. Step 2: Convert to fraction form
    784,515.75/1,176,316.38 = 304,182.40/x
  3. Step 3: Cross multiply
    784,515.75x = 1,176,316.38 × 304,182.40
  4. Step 4: Simplify right side
    784,515.75x = 357,814,736,686.92
  5. Step 5: Solve for x
    x = 357,814,736,686.92/784,515.75
  6. Step 6: Final answer
    x = 456,096.31

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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.