Home / 866,289.02-1,299,522.66-326,999.54

Finding the Fourth Proportional to 866,289.02, 1,299,522.66 and 326,999.54

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Solution

The fourth proportional to 866,289.02, 1,299,522.66 and 326,999.54 is: 490,532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,289.02 : 1,299,522.66 = 326,999.54 : x
  2. Step 2: Convert to fraction form
    866,289.02/1,299,522.66 = 326,999.54/x
  3. Step 3: Cross multiply
    866,289.02x = 1,299,522.66 × 326,999.54
  4. Step 4: Simplify right side
    866,289.02x = 424,943,312,039.58
  5. Step 5: Solve for x
    x = 424,943,312,039.58/866,289.02
  6. Step 6: Final answer
    x = 490,532.95

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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.