Home / 747,405.69-1,120,565.40-297,991.77

Finding the Fourth Proportional to 747,405.69, 1,120,565.40 and 297,991.77

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Solution

The fourth proportional to 747,405.69, 1,120,565.40 and 297,991.77 is: 446,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,405.69 : 1,120,565.40 = 297,991.77 : x
  2. Step 2: Convert to fraction form
    747,405.69/1,120,565.40 = 297,991.77/x
  3. Step 3: Cross multiply
    747,405.69x = 1,120,565.40 × 297,991.77
  4. Step 4: Simplify right side
    747,405.69x = 333,919,266,946.76
  5. Step 5: Solve for x
    x = 333,919,266,946.76/747,405.69
  6. Step 6: Final answer
    x = 446,771.11

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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.