Home / 887,567.22-1,331,219.61-326,470.50

Finding the Fourth Proportional to 887,567.22, 1,331,219.61 and 326,470.50

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Solution

The fourth proportional to 887,567.22, 1,331,219.61 and 326,470.50 is: 489,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,567.22 : 1,331,219.61 = 326,470.50 : x
  2. Step 2: Convert to fraction form
    887,567.22/1,331,219.61 = 326,470.50/x
  3. Step 3: Cross multiply
    887,567.22x = 1,331,219.61 × 326,470.50
  4. Step 4: Simplify right side
    887,567.22x = 434,603,931,686.51
  5. Step 5: Solve for x
    x = 434,603,931,686.51/887,567.22
  6. Step 6: Final answer
    x = 489,657.48

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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.