Home / 649,744.90-973,321.35-571,812.10

Finding the Fourth Proportional to 649,744.90, 973,321.35 and 571,812.10

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Solution

The fourth proportional to 649,744.90, 973,321.35 and 571,812.10 is: 856,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,744.90 : 973,321.35 = 571,812.10 : x
  2. Step 2: Convert to fraction form
    649,744.90/973,321.35 = 571,812.10/x
  3. Step 3: Cross multiply
    649,744.90x = 973,321.35 × 571,812.10
  4. Step 4: Simplify right side
    649,744.90x = 556,556,925,118.34
  5. Step 5: Solve for x
    x = 556,556,925,118.34/649,744.90
  6. Step 6: Final answer
    x = 856,577.60

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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.