Home / 837,409.90-1,255,639.16-571,492.56

Finding the Fourth Proportional to 837,409.90, 1,255,639.16 and 571,492.56

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Solution

The fourth proportional to 837,409.90, 1,255,639.16 and 571,492.56 is: 856,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,409.90 : 1,255,639.16 = 571,492.56 : x
  2. Step 2: Convert to fraction form
    837,409.90/1,255,639.16 = 571,492.56/x
  3. Step 3: Cross multiply
    837,409.90x = 1,255,639.16 × 571,492.56
  4. Step 4: Simplify right side
    837,409.90x = 717,588,437,984.65
  5. Step 5: Solve for x
    x = 717,588,437,984.65/837,409.90
  6. Step 6: Final answer
    x = 856,914.20

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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.