Home / 890,998.90-1,336,549.55-260,010.10

Finding the Fourth Proportional to 890,998.90, 1,336,549.55 and 260,010.10

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Solution

The fourth proportional to 890,998.90, 1,336,549.55 and 260,010.10 is: 390,030.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,998.90 : 1,336,549.55 = 260,010.10 : x
  2. Step 2: Convert to fraction form
    890,998.90/1,336,549.55 = 260,010.10/x
  3. Step 3: Cross multiply
    890,998.90x = 1,336,549.55 × 260,010.10
  4. Step 4: Simplify right side
    890,998.90x = 347,516,382,150.46
  5. Step 5: Solve for x
    x = 347,516,382,150.46/890,998.90
  6. Step 6: Final answer
    x = 390,030.09

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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.