Home / 808,530.80-1,210,463.40-493,602.80

Finding the Fourth Proportional to 808,530.80, 1,210,463.40 and 493,602.80

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Solution

The fourth proportional to 808,530.80, 1,210,463.40 and 493,602.80 is: 738,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,530.80 : 1,210,463.40 = 493,602.80 : x
  2. Step 2: Convert to fraction form
    808,530.80/1,210,463.40 = 493,602.80/x
  3. Step 3: Cross multiply
    808,530.80x = 1,210,463.40 × 493,602.80
  4. Step 4: Simplify right side
    808,530.80x = 597,488,123,537.52
  5. Step 5: Solve for x
    x = 597,488,123,537.52/808,530.80
  6. Step 6: Final answer
    x = 738,980.04

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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.