Home / 733,148.50-1,011,385.42-636,216.34

Finding the Fourth Proportional to 733,148.50, 1,011,385.42 and 636,216.34

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Solution

The fourth proportional to 733,148.50, 1,011,385.42 and 636,216.34 is: 877,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,148.50 : 1,011,385.42 = 636,216.34 : x
  2. Step 2: Convert to fraction form
    733,148.50/1,011,385.42 = 636,216.34/x
  3. Step 3: Cross multiply
    733,148.50x = 1,011,385.42 × 636,216.34
  4. Step 4: Simplify right side
    733,148.50x = 643,459,930,241.76
  5. Step 5: Solve for x
    x = 643,459,930,241.76/733,148.50
  6. Step 6: Final answer
    x = 877,666.57

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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.