Home / 745,156.80-1,117,188.45-295,655.40

Finding the Fourth Proportional to 745,156.80, 1,117,188.45 and 295,655.40

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Solution

The fourth proportional to 745,156.80, 1,117,188.45 and 295,655.40 is: 443,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,156.80 : 1,117,188.45 = 295,655.40 : x
  2. Step 2: Convert to fraction form
    745,156.80/1,117,188.45 = 295,655.40/x
  3. Step 3: Cross multiply
    745,156.80x = 1,117,188.45 × 295,655.40
  4. Step 4: Simplify right side
    745,156.80x = 330,302,798,060.13
  5. Step 5: Solve for x
    x = 330,302,798,060.13/745,156.80
  6. Step 6: Final answer
    x = 443,266.17

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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.