Home / 906,031.78-1,359,055.85-274,945.59

Finding the Fourth Proportional to 906,031.78, 1,359,055.85 and 274,945.59

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Solution

The fourth proportional to 906,031.78, 1,359,055.85 and 274,945.59 is: 412,420.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,031.78 : 1,359,055.85 = 274,945.59 : x
  2. Step 2: Convert to fraction form
    906,031.78/1,359,055.85 = 274,945.59/x
  3. Step 3: Cross multiply
    906,031.78x = 1,359,055.85 × 274,945.59
  4. Step 4: Simplify right side
    906,031.78x = 373,666,411,146.47
  5. Step 5: Solve for x
    x = 373,666,411,146.47/906,031.78
  6. Step 6: Final answer
    x = 412,420.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.