Home / 491,159.04-736,736.13-424,394.79

Finding the Fourth Proportional to 491,159.04, 736,736.13 and 424,394.79

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Solution

The fourth proportional to 491,159.04, 736,736.13 and 424,394.79 is: 636,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,159.04 : 736,736.13 = 424,394.79 : x
  2. Step 2: Convert to fraction form
    491,159.04/736,736.13 = 424,394.79/x
  3. Step 3: Cross multiply
    491,159.04x = 736,736.13 × 424,394.79
  4. Step 4: Simplify right side
    491,159.04x = 312,666,975,176.76
  5. Step 5: Solve for x
    x = 312,666,975,176.76/491,159.04
  6. Step 6: Final answer
    x = 636,590.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.