Home / 887,054.20-1,330,289.70-326,015.80

Finding the Fourth Proportional to 887,054.20, 1,330,289.70 and 326,015.80

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Solution

The fourth proportional to 887,054.20, 1,330,289.70 and 326,015.80 is: 488,916.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,054.20 : 1,330,289.70 = 326,015.80 : x
  2. Step 2: Convert to fraction form
    887,054.20/1,330,289.70 = 326,015.80/x
  3. Step 3: Cross multiply
    887,054.20x = 1,330,289.70 × 326,015.80
  4. Step 4: Simplify right side
    887,054.20x = 433,695,460,777.26
  5. Step 5: Solve for x
    x = 433,695,460,777.26/887,054.20
  6. Step 6: Final answer
    x = 488,916.53

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Double scale
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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.