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Finding the Fourth Proportional to 525,657.60, 788,680.80 and 506,217.60

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Solution

The fourth proportional to 525,657.60, 788,680.80 and 506,217.60 is: 759,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,657.60 : 788,680.80 = 506,217.60 : x
  2. Step 2: Convert to fraction form
    525,657.60/788,680.80 = 506,217.60/x
  3. Step 3: Cross multiply
    525,657.60x = 788,680.80 × 506,217.60
  4. Step 4: Simplify right side
    525,657.60x = 399,244,101,742.08
  5. Step 5: Solve for x
    x = 399,244,101,742.08/525,657.60
  6. Step 6: Final answer
    x = 759,513.61

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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.