Home / 436,421.04-602,284.86-245,445.72

Finding the Fourth Proportional to 436,421.04, 602,284.86 and 245,445.72

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Solution

The fourth proportional to 436,421.04, 602,284.86 and 245,445.72 is: 338,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,421.04 : 602,284.86 = 245,445.72 : x
  2. Step 2: Convert to fraction form
    436,421.04/602,284.86 = 245,445.72/x
  3. Step 3: Cross multiply
    436,421.04x = 602,284.86 × 245,445.72
  4. Step 4: Simplify right side
    436,421.04x = 147,828,241,107.80
  5. Step 5: Solve for x
    x = 147,828,241,107.80/436,421.04
  6. Step 6: Final answer
    x = 338,728.49

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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.