Home / 804,547.60-1,205,071.80-488,453.20

Finding the Fourth Proportional to 804,547.60, 1,205,071.80 and 488,453.20

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Solution

The fourth proportional to 804,547.60, 1,205,071.80 and 488,453.20 is: 731,617.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,547.60 : 1,205,071.80 = 488,453.20 : x
  2. Step 2: Convert to fraction form
    804,547.60/1,205,071.80 = 488,453.20/x
  3. Step 3: Cross multiply
    804,547.60x = 1,205,071.80 × 488,453.20
  4. Step 4: Simplify right side
    804,547.60x = 588,621,176,939.76
  5. Step 5: Solve for x
    x = 588,621,176,939.76/804,547.60
  6. Step 6: Final answer
    x = 731,617.59

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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.