Home / 779,852.20-1,169,195.10-425,266.60

Finding the Fourth Proportional to 779,852.20, 1,169,195.10 and 425,266.60

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Solution

The fourth proportional to 779,852.20, 1,169,195.10 and 425,266.60 is: 637,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,852.20 : 1,169,195.10 = 425,266.60 : x
  2. Step 2: Convert to fraction form
    779,852.20/1,169,195.10 = 425,266.60/x
  3. Step 3: Cross multiply
    779,852.20x = 1,169,195.10 × 425,266.60
  4. Step 4: Simplify right side
    779,852.20x = 497,219,624,913.66
  5. Step 5: Solve for x
    x = 497,219,624,913.66/779,852.20
  6. Step 6: Final answer
    x = 637,581.87

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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.