Home / 897,927.52-1,239,166.22-490,055.55

Finding the Fourth Proportional to 897,927.52, 1,239,166.22 and 490,055.55

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Solution

The fourth proportional to 897,927.52, 1,239,166.22 and 490,055.55 is: 676,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,927.52 : 1,239,166.22 = 490,055.55 : x
  2. Step 2: Convert to fraction form
    897,927.52/1,239,166.22 = 490,055.55/x
  3. Step 3: Cross multiply
    897,927.52x = 1,239,166.22 × 490,055.55
  4. Step 4: Simplify right side
    897,927.52x = 607,260,283,483.52
  5. Step 5: Solve for x
    x = 607,260,283,483.52/897,927.52
  6. Step 6: Final answer
    x = 676,290.98

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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.