Home / 784,002.10-1,176,003.15-310,530.10

Finding the Fourth Proportional to 784,002.10, 1,176,003.15 and 310,530.10

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Solution

The fourth proportional to 784,002.10, 1,176,003.15 and 310,530.10 is: 465,795.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,002.10 : 1,176,003.15 = 310,530.10 : x
  2. Step 2: Convert to fraction form
    784,002.10/1,176,003.15 = 310,530.10/x
  3. Step 3: Cross multiply
    784,002.10x = 1,176,003.15 × 310,530.10
  4. Step 4: Simplify right side
    784,002.10x = 365,184,375,769.82
  5. Step 5: Solve for x
    x = 365,184,375,769.82/784,002.10
  6. Step 6: Final answer
    x = 465,795.15

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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.