Home / 808,531.80-1,210,464.90-493,603.80

Finding the Fourth Proportional to 808,531.80, 1,210,464.90 and 493,603.80

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Solution

The fourth proportional to 808,531.80, 1,210,464.90 and 493,603.80 is: 738,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,531.80 : 1,210,464.90 = 493,603.80 : x
  2. Step 2: Convert to fraction form
    808,531.80/1,210,464.90 = 493,603.80/x
  3. Step 3: Cross multiply
    808,531.80x = 1,210,464.90 × 493,603.80
  4. Step 4: Simplify right side
    808,531.80x = 597,490,074,406.62
  5. Step 5: Solve for x
    x = 597,490,074,406.62/808,531.80
  6. Step 6: Final answer
    x = 738,981.54

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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.