Home / 688,669.60-1,033,004.40-476,093.20

Finding the Fourth Proportional to 688,669.60, 1,033,004.40 and 476,093.20

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Solution

The fourth proportional to 688,669.60, 1,033,004.40 and 476,093.20 is: 714,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,669.60 : 1,033,004.40 = 476,093.20 : x
  2. Step 2: Convert to fraction form
    688,669.60/1,033,004.40 = 476,093.20/x
  3. Step 3: Cross multiply
    688,669.60x = 1,033,004.40 × 476,093.20
  4. Step 4: Simplify right side
    688,669.60x = 491,806,370,410.08
  5. Step 5: Solve for x
    x = 491,806,370,410.08/688,669.60
  6. Step 6: Final answer
    x = 714,139.80

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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.