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Finding the Fourth Proportional to 504,883.60, 756,403.80 and 410,880.40

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Solution

The fourth proportional to 504,883.60, 756,403.80 and 410,880.40 is: 615,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,883.60 : 756,403.80 = 410,880.40 : x
  2. Step 2: Convert to fraction form
    504,883.60/756,403.80 = 410,880.40/x
  3. Step 3: Cross multiply
    504,883.60x = 756,403.80 × 410,880.40
  4. Step 4: Simplify right side
    504,883.60x = 310,791,495,905.52
  5. Step 5: Solve for x
    x = 310,791,495,905.52/504,883.60
  6. Step 6: Final answer
    x = 615,570.59

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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.