Home / 942,515.19-1,300,703.37-512,811.61

Finding the Fourth Proportional to 942,515.19, 1,300,703.37 and 512,811.61

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Solution

The fourth proportional to 942,515.19, 1,300,703.37 and 512,811.61 is: 707,697.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,515.19 : 1,300,703.37 = 512,811.61 : x
  2. Step 2: Convert to fraction form
    942,515.19/1,300,703.37 = 512,811.61/x
  3. Step 3: Cross multiply
    942,515.19x = 1,300,703.37 × 512,811.61
  4. Step 4: Simplify right side
    942,515.19x = 667,015,784,127.32
  5. Step 5: Solve for x
    x = 667,015,784,127.32/942,515.19
  6. Step 6: Final answer
    x = 707,697.65

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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.