Home / 424,318.95-585,559.32-243,089.55

Finding the Fourth Proportional to 424,318.95, 585,559.32 and 243,089.55

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Solution

The fourth proportional to 424,318.95, 585,559.32 and 243,089.55 is: 335,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,318.95 : 585,559.32 = 243,089.55 : x
  2. Step 2: Convert to fraction form
    424,318.95/585,559.32 = 243,089.55/x
  3. Step 3: Cross multiply
    424,318.95x = 585,559.32 × 243,089.55
  4. Step 4: Simplify right side
    424,318.95x = 142,343,351,597.11
  5. Step 5: Solve for x
    x = 142,343,351,597.11/424,318.95
  6. Step 6: Final answer
    x = 335,463.10

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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.