Home / 918,693.36-1,267,854.26-510,886.44

Finding the Fourth Proportional to 918,693.36, 1,267,854.26 and 510,886.44

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Solution

The fourth proportional to 918,693.36, 1,267,854.26 and 510,886.44 is: 705,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,693.36 : 1,267,854.26 = 510,886.44 : x
  2. Step 2: Convert to fraction form
    918,693.36/1,267,854.26 = 510,886.44/x
  3. Step 3: Cross multiply
    918,693.36x = 1,267,854.26 × 510,886.44
  4. Step 4: Simplify right side
    918,693.36x = 647,729,546,775.80
  5. Step 5: Solve for x
    x = 647,729,546,775.80/918,693.36
  6. Step 6: Final answer
    x = 705,055.22

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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.