Home / 826,482.55-1,140,574.47-458,965.87

Finding the Fourth Proportional to 826,482.55, 1,140,574.47 and 458,965.87

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Solution

The fourth proportional to 826,482.55, 1,140,574.47 and 458,965.87 is: 633,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,482.55 : 1,140,574.47 = 458,965.87 : x
  2. Step 2: Convert to fraction form
    826,482.55/1,140,574.47 = 458,965.87/x
  3. Step 3: Cross multiply
    826,482.55x = 1,140,574.47 × 458,965.87
  4. Step 4: Simplify right side
    826,482.55x = 523,484,753,923.34
  5. Step 5: Solve for x
    x = 523,484,753,923.34/826,482.55
  6. Step 6: Final answer
    x = 633,388.76

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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.