Home / 778,547.20-1,167,820.80-483,635.20

Finding the Fourth Proportional to 778,547.20, 1,167,820.80 and 483,635.20

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Solution

The fourth proportional to 778,547.20, 1,167,820.80 and 483,635.20 is: 725,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,547.20 : 1,167,820.80 = 483,635.20 : x
  2. Step 2: Convert to fraction form
    778,547.20/1,167,820.80 = 483,635.20/x
  3. Step 3: Cross multiply
    778,547.20x = 1,167,820.80 × 483,635.20
  4. Step 4: Simplify right side
    778,547.20x = 564,799,246,172.16
  5. Step 5: Solve for x
    x = 564,799,246,172.16/778,547.20
  6. Step 6: Final answer
    x = 725,452.80

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1.5x scale

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.