Home / 436,432.78-602,228.28-245,442.07

Finding the Fourth Proportional to 436,432.78, 602,228.28 and 245,442.07

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Solution

The fourth proportional to 436,432.78, 602,228.28 and 245,442.07 is: 338,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,432.78 : 602,228.28 = 245,442.07 : x
  2. Step 2: Convert to fraction form
    436,432.78/602,228.28 = 245,442.07/x
  3. Step 3: Cross multiply
    436,432.78x = 602,228.28 × 245,442.07
  4. Step 4: Simplify right side
    436,432.78x = 147,812,155,655.74
  5. Step 5: Solve for x
    x = 147,812,155,655.74/436,432.78
  6. Step 6: Final answer
    x = 338,682.52

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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.