Home / 779,828.20-1,170,260.70-442,868.20

Finding the Fourth Proportional to 779,828.20, 1,170,260.70 and 442,868.20

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Solution

The fourth proportional to 779,828.20, 1,170,260.70 and 442,868.20 is: 664,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,828.20 : 1,170,260.70 = 442,868.20 : x
  2. Step 2: Convert to fraction form
    779,828.20/1,170,260.70 = 442,868.20/x
  3. Step 3: Cross multiply
    779,828.20x = 1,170,260.70 × 442,868.20
  4. Step 4: Simplify right side
    779,828.20x = 518,271,249,739.74
  5. Step 5: Solve for x
    x = 518,271,249,739.74/779,828.20
  6. Step 6: Final answer
    x = 664,596.70

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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.