Home / 688,464.24-1,033,100.55-289,074.30

Finding the Fourth Proportional to 688,464.24, 1,033,100.55 and 289,074.30

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Solution

The fourth proportional to 688,464.24, 1,033,100.55 and 289,074.30 is: 433,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,464.24 : 1,033,100.55 = 289,074.30 : x
  2. Step 2: Convert to fraction form
    688,464.24/1,033,100.55 = 289,074.30/x
  3. Step 3: Cross multiply
    688,464.24x = 1,033,100.55 × 289,074.30
  4. Step 4: Simplify right side
    688,464.24x = 298,642,818,320.87
  5. Step 5: Solve for x
    x = 298,642,818,320.87/688,464.24
  6. Step 6: Final answer
    x = 433,781.16

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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.