Home / 803,860.20-1,203,716.70-637,972.20

Finding the Fourth Proportional to 803,860.20, 1,203,716.70 and 637,972.20

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Solution

The fourth proportional to 803,860.20, 1,203,716.70 and 637,972.20 is: 955,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,860.20 : 1,203,716.70 = 637,972.20 : x
  2. Step 2: Convert to fraction form
    803,860.20/1,203,716.70 = 637,972.20/x
  3. Step 3: Cross multiply
    803,860.20x = 1,203,716.70 × 637,972.20
  4. Step 4: Simplify right side
    803,860.20x = 767,937,791,275.74
  5. Step 5: Solve for x
    x = 767,937,791,275.74/803,860.20
  6. Step 6: Final answer
    x = 955,312.62

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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.