Home / 459,442.90-633,938.29-268,419.38

Finding the Fourth Proportional to 459,442.90, 633,938.29 and 268,419.38

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Solution

The fourth proportional to 459,442.90, 633,938.29 and 268,419.38 is: 370,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,442.90 : 633,938.29 = 268,419.38 : x
  2. Step 2: Convert to fraction form
    459,442.90/633,938.29 = 268,419.38/x
  3. Step 3: Cross multiply
    459,442.90x = 633,938.29 × 268,419.38
  4. Step 4: Simplify right side
    459,442.90x = 170,161,321,417.96
  5. Step 5: Solve for x
    x = 170,161,321,417.96/459,442.90
  6. Step 6: Final answer
    x = 370,364.46

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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.