Home / 949,048.20-1,309,686.47-519,328.38

Finding the Fourth Proportional to 949,048.20, 1,309,686.47 and 519,328.38

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Solution

The fourth proportional to 949,048.20, 1,309,686.47 and 519,328.38 is: 716,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,048.20 : 1,309,686.47 = 519,328.38 : x
  2. Step 2: Convert to fraction form
    949,048.20/1,309,686.47 = 519,328.38/x
  3. Step 3: Cross multiply
    949,048.20x = 1,309,686.47 × 519,328.38
  4. Step 4: Simplify right side
    949,048.20x = 680,157,350,176.38
  5. Step 5: Solve for x
    x = 680,157,350,176.38/949,048.20
  6. Step 6: Final answer
    x = 716,673.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.