Home / 870,178.14-1,200,970.80-483,082.38

Finding the Fourth Proportional to 870,178.14, 1,200,970.80 and 483,082.38

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Solution

The fourth proportional to 870,178.14, 1,200,970.80 and 483,082.38 is: 666,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,178.14 : 1,200,970.80 = 483,082.38 : x
  2. Step 2: Convert to fraction form
    870,178.14/1,200,970.80 = 483,082.38/x
  3. Step 3: Cross multiply
    870,178.14x = 1,200,970.80 × 483,082.38
  4. Step 4: Simplify right side
    870,178.14x = 580,167,832,374.50
  5. Step 5: Solve for x
    x = 580,167,832,374.50/870,178.14
  6. Step 6: Final answer
    x = 666,723.06

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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.