Home / 961,799.94-1,443,097.16-421,776.67

Finding the Fourth Proportional to 961,799.94, 1,443,097.16 and 421,776.67

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Solution

The fourth proportional to 961,799.94, 1,443,097.16 and 421,776.67 is: 632,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,799.94 : 1,443,097.16 = 421,776.67 : x
  2. Step 2: Convert to fraction form
    961,799.94/1,443,097.16 = 421,776.67/x
  3. Step 3: Cross multiply
    961,799.94x = 1,443,097.16 × 421,776.67
  4. Step 4: Simplify right side
    961,799.94x = 608,664,714,631.26
  5. Step 5: Solve for x
    x = 608,664,714,631.26/961,799.94
  6. Step 6: Final answer
    x = 632,839.21

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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.