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Finding the Fourth Proportional to 543,599.40, 749,633.22 and 500,688.84

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Solution

The fourth proportional to 543,599.40, 749,633.22 and 500,688.84 is: 690,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,599.40 : 749,633.22 = 500,688.84 : x
  2. Step 2: Convert to fraction form
    543,599.40/749,633.22 = 500,688.84/x
  3. Step 3: Cross multiply
    543,599.40x = 749,633.22 × 500,688.84
  4. Step 4: Simplify right side
    543,599.40x = 375,332,987,347.27
  5. Step 5: Solve for x
    x = 375,332,987,347.27/543,599.40
  6. Step 6: Final answer
    x = 690,458.80

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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.