Home / 853,374.20-1,280,566.30-314,009.23

Finding the Fourth Proportional to 853,374.20, 1,280,566.30 and 314,009.23

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Solution

The fourth proportional to 853,374.20, 1,280,566.30 and 314,009.23 is: 471,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,374.20 : 1,280,566.30 = 314,009.23 : x
  2. Step 2: Convert to fraction form
    853,374.20/1,280,566.30 = 314,009.23/x
  3. Step 3: Cross multiply
    853,374.20x = 1,280,566.30 × 314,009.23
  4. Step 4: Simplify right side
    853,374.20x = 402,109,637,826.95
  5. Step 5: Solve for x
    x = 402,109,637,826.95/853,374.20
  6. Step 6: Final answer
    x = 471,199.67

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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.