Home / 832,463.55-1,248,189.64-326,418.24

Finding the Fourth Proportional to 832,463.55, 1,248,189.64 and 326,418.24

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Solution

The fourth proportional to 832,463.55, 1,248,189.64 and 326,418.24 is: 489,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,463.55 : 1,248,189.64 = 326,418.24 : x
  2. Step 2: Convert to fraction form
    832,463.55/1,248,189.64 = 326,418.24/x
  3. Step 3: Cross multiply
    832,463.55x = 1,248,189.64 × 326,418.24
  4. Step 4: Simplify right side
    832,463.55x = 407,431,865,475.03
  5. Step 5: Solve for x
    x = 407,431,865,475.03/832,463.55
  6. Step 6: Final answer
    x = 489,429.08

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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.