Home / 942,597.08-1,300,807.26-512,900.78

Finding the Fourth Proportional to 942,597.08, 1,300,807.26 and 512,900.78

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Solution

The fourth proportional to 942,597.08, 1,300,807.26 and 512,900.78 is: 707,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,597.08 : 1,300,807.26 = 512,900.78 : x
  2. Step 2: Convert to fraction form
    942,597.08/1,300,807.26 = 512,900.78/x
  3. Step 3: Cross multiply
    942,597.08x = 1,300,807.26 × 512,900.78
  4. Step 4: Simplify right side
    942,597.08x = 667,185,058,283.66
  5. Step 5: Solve for x
    x = 667,185,058,283.66/942,597.08
  6. Step 6: Final answer
    x = 707,815.75

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1.5x scale

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.