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Finding the Fourth Proportional to 562,567.58, 776,344.20 and 307,934.90

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Solution

The fourth proportional to 562,567.58, 776,344.20 and 307,934.90 is: 424,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,567.58 : 776,344.20 = 307,934.90 : x
  2. Step 2: Convert to fraction form
    562,567.58/776,344.20 = 307,934.90/x
  3. Step 3: Cross multiply
    562,567.58x = 776,344.20 × 307,934.90
  4. Step 4: Simplify right side
    562,567.58x = 239,063,473,592.58
  5. Step 5: Solve for x
    x = 239,063,473,592.58/562,567.58
  6. Step 6: Final answer
    x = 424,950.68

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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.