Home / 804,525.60-1,205,038.80-488,431.20

Finding the Fourth Proportional to 804,525.60, 1,205,038.80 and 488,431.20

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Solution

The fourth proportional to 804,525.60, 1,205,038.80 and 488,431.20 is: 731,584.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,525.60 : 1,205,038.80 = 488,431.20 : x
  2. Step 2: Convert to fraction form
    804,525.60/1,205,038.80 = 488,431.20/x
  3. Step 3: Cross multiply
    804,525.60x = 1,205,038.80 × 488,431.20
  4. Step 4: Simplify right side
    804,525.60x = 588,578,547,130.56
  5. Step 5: Solve for x
    x = 588,578,547,130.56/804,525.60
  6. Step 6: Final answer
    x = 731,584.61

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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.