Home / 840,494.34-1,159,880.67-458,521.20

Finding the Fourth Proportional to 840,494.34, 1,159,880.67 and 458,521.20

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Solution

The fourth proportional to 840,494.34, 1,159,880.67 and 458,521.20 is: 632,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,494.34 : 1,159,880.67 = 458,521.20 : x
  2. Step 2: Convert to fraction form
    840,494.34/1,159,880.67 = 458,521.20/x
  3. Step 3: Cross multiply
    840,494.34x = 1,159,880.67 × 458,521.20
  4. Step 4: Simplify right side
    840,494.34x = 531,829,876,665.20
  5. Step 5: Solve for x
    x = 531,829,876,665.20/840,494.34
  6. Step 6: Final answer
    x = 632,758.43

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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.