Home / 688,932.12-1,033,966.26-352,221.24

Finding the Fourth Proportional to 688,932.12, 1,033,966.26 and 352,221.24

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Solution

The fourth proportional to 688,932.12, 1,033,966.26 and 352,221.24 is: 528,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,932.12 : 1,033,966.26 = 352,221.24 : x
  2. Step 2: Convert to fraction form
    688,932.12/1,033,966.26 = 352,221.24/x
  3. Step 3: Cross multiply
    688,932.12x = 1,033,966.26 × 352,221.24
  4. Step 4: Simplify right side
    688,932.12x = 364,184,878,215.36
  5. Step 5: Solve for x
    x = 364,184,878,215.36/688,932.12
  6. Step 6: Final answer
    x = 528,622.29

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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.