Home / 942,686.40-1,300,910.04-512,966.64

Finding the Fourth Proportional to 942,686.40, 1,300,910.04 and 512,966.64

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Solution

The fourth proportional to 942,686.40, 1,300,910.04 and 512,966.64 is: 707,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,686.40 : 1,300,910.04 = 512,966.64 : x
  2. Step 2: Convert to fraction form
    942,686.40/1,300,910.04 = 512,966.64/x
  3. Step 3: Cross multiply
    942,686.40x = 1,300,910.04 × 512,966.64
  4. Step 4: Simplify right side
    942,686.40x = 667,323,452,161.07
  5. Step 5: Solve for x
    x = 667,323,452,161.07/942,686.40
  6. Step 6: Final answer
    x = 707,895.49

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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.