Home / 808,531.30-1,210,464.15-493,603.30

Finding the Fourth Proportional to 808,531.30, 1,210,464.15 and 493,603.30

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Solution

The fourth proportional to 808,531.30, 1,210,464.15 and 493,603.30 is: 738,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,531.30 : 1,210,464.15 = 493,603.30 : x
  2. Step 2: Convert to fraction form
    808,531.30/1,210,464.15 = 493,603.30/x
  3. Step 3: Cross multiply
    808,531.30x = 1,210,464.15 × 493,603.30
  4. Step 4: Simplify right side
    808,531.30x = 597,489,098,971.70
  5. Step 5: Solve for x
    x = 597,489,098,971.70/808,531.30
  6. Step 6: Final answer
    x = 738,980.79

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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.