Home / 808,530.30-1,210,462.65-493,602.30

Finding the Fourth Proportional to 808,530.30, 1,210,462.65 and 493,602.30

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Solution

The fourth proportional to 808,530.30, 1,210,462.65 and 493,602.30 is: 738,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,530.30 : 1,210,462.65 = 493,602.30 : x
  2. Step 2: Convert to fraction form
    808,530.30/1,210,462.65 = 493,602.30/x
  3. Step 3: Cross multiply
    808,530.30x = 1,210,462.65 × 493,602.30
  4. Step 4: Simplify right side
    808,530.30x = 597,487,148,104.10
  5. Step 5: Solve for x
    x = 597,487,148,104.10/808,530.30
  6. Step 6: Final answer
    x = 738,979.29

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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.