Home / 830,058.11-1,146,009.08-677,460.30

Finding the Fourth Proportional to 830,058.11, 1,146,009.08 and 677,460.30

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Solution

The fourth proportional to 830,058.11, 1,146,009.08 and 677,460.30 is: 935,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,058.11 : 1,146,009.08 = 677,460.30 : x
  2. Step 2: Convert to fraction form
    830,058.11/1,146,009.08 = 677,460.30/x
  3. Step 3: Cross multiply
    830,058.11x = 1,146,009.08 × 677,460.30
  4. Step 4: Simplify right side
    830,058.11x = 776,375,655,139.52
  5. Step 5: Solve for x
    x = 776,375,655,139.52/830,058.11
  6. Step 6: Final answer
    x = 935,326.87

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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.