Home / 779,826.80-1,169,740.20-750,302.30

Finding the Fourth Proportional to 779,826.80, 1,169,740.20 and 750,302.30

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Solution

The fourth proportional to 779,826.80, 1,169,740.20 and 750,302.30 is: 1,125,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,826.80 : 1,169,740.20 = 750,302.30 : x
  2. Step 2: Convert to fraction form
    779,826.80/1,169,740.20 = 750,302.30/x
  3. Step 3: Cross multiply
    779,826.80x = 1,169,740.20 × 750,302.30
  4. Step 4: Simplify right side
    779,826.80x = 877,658,762,462.46
  5. Step 5: Solve for x
    x = 877,658,762,462.46/779,826.80
  6. Step 6: Final answer
    x = 1,125,453.45

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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.