Home / 804,574.10-1,205,111.55-488,479.70

Finding the Fourth Proportional to 804,574.10, 1,205,111.55 and 488,479.70

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Solution

The fourth proportional to 804,574.10, 1,205,111.55 and 488,479.70 is: 731,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,574.10 : 1,205,111.55 = 488,479.70 : x
  2. Step 2: Convert to fraction form
    804,574.10/1,205,111.55 = 488,479.70/x
  3. Step 3: Cross multiply
    804,574.10x = 1,205,111.55 × 488,479.70
  4. Step 4: Simplify right side
    804,574.10x = 588,672,528,410.54
  5. Step 5: Solve for x
    x = 588,672,528,410.54/804,574.10
  6. Step 6: Final answer
    x = 731,657.32

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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.