Home / 898,466.73-1,239,874.67-490,567.31

Finding the Fourth Proportional to 898,466.73, 1,239,874.67 and 490,567.31

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Solution

The fourth proportional to 898,466.73, 1,239,874.67 and 490,567.31 is: 676,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,466.73 : 1,239,874.67 = 490,567.31 : x
  2. Step 2: Convert to fraction form
    898,466.73/1,239,874.67 = 490,567.31/x
  3. Step 3: Cross multiply
    898,466.73x = 1,239,874.67 × 490,567.31
  4. Step 4: Simplify right side
    898,466.73x = 608,241,972,946.83
  5. Step 5: Solve for x
    x = 608,241,972,946.83/898,466.73
  6. Step 6: Final answer
    x = 676,977.74

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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.