Home / 875,320.80-1,312,981.20-735,352.80

Finding the Fourth Proportional to 875,320.80, 1,312,981.20 and 735,352.80

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Solution

The fourth proportional to 875,320.80, 1,312,981.20 and 735,352.80 is: 1,103,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,320.80 : 1,312,981.20 = 735,352.80 : x
  2. Step 2: Convert to fraction form
    875,320.80/1,312,981.20 = 735,352.80/x
  3. Step 3: Cross multiply
    875,320.80x = 1,312,981.20 × 735,352.80
  4. Step 4: Simplify right side
    875,320.80x = 965,504,401,767.36
  5. Step 5: Solve for x
    x = 965,504,401,767.36/875,320.80
  6. Step 6: Final answer
    x = 1,103,029.20

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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.