Home / 436,417.20-602,537.04-281,437.80

Finding the Fourth Proportional to 436,417.20, 602,537.04 and 281,437.80

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Solution

The fourth proportional to 436,417.20, 602,537.04 and 281,437.80 is: 388,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,417.20 : 602,537.04 = 281,437.80 : x
  2. Step 2: Convert to fraction form
    436,417.20/602,537.04 = 281,437.80/x
  3. Step 3: Cross multiply
    436,417.20x = 602,537.04 × 281,437.80
  4. Step 4: Simplify right side
    436,417.20x = 169,576,698,956.11
  5. Step 5: Solve for x
    x = 169,576,698,956.11/436,417.20
  6. Step 6: Final answer
    x = 388,565.57

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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.