Home / 898,466.76-1,239,874.65-490,567.29

Finding the Fourth Proportional to 898,466.76, 1,239,874.65 and 490,567.29

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Solution

The fourth proportional to 898,466.76, 1,239,874.65 and 490,567.29 is: 676,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,466.76 : 1,239,874.65 = 490,567.29 : x
  2. Step 2: Convert to fraction form
    898,466.76/1,239,874.65 = 490,567.29/x
  3. Step 3: Cross multiply
    898,466.76x = 1,239,874.65 × 490,567.29
  4. Step 4: Simplify right side
    898,466.76x = 608,241,946,990.20
  5. Step 5: Solve for x
    x = 608,241,946,990.20/898,466.76
  6. Step 6: Final answer
    x = 676,977.68

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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.