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Finding the Fourth Proportional to 623,730.60, 933,627.60 and 489,886.20

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Solution

The fourth proportional to 623,730.60, 933,627.60 and 489,886.20 is: 733,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,730.60 : 933,627.60 = 489,886.20 : x
  2. Step 2: Convert to fraction form
    623,730.60/933,627.60 = 489,886.20/x
  3. Step 3: Cross multiply
    623,730.60x = 933,627.60 × 489,886.20
  4. Step 4: Simplify right side
    623,730.60x = 457,371,277,179.12
  5. Step 5: Solve for x
    x = 457,371,277,179.12/623,730.60
  6. Step 6: Final answer
    x = 733,283.37

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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.