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Finding the Fourth Proportional to 546,765.60, 820,148.40 and 525,770.40

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Solution

The fourth proportional to 546,765.60, 820,148.40 and 525,770.40 is: 788,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,765.60 : 820,148.40 = 525,770.40 : x
  2. Step 2: Convert to fraction form
    546,765.60/820,148.40 = 525,770.40/x
  3. Step 3: Cross multiply
    546,765.60x = 820,148.40 × 525,770.40
  4. Step 4: Simplify right side
    546,765.60x = 431,209,752,327.36
  5. Step 5: Solve for x
    x = 431,209,752,327.36/546,765.60
  6. Step 6: Final answer
    x = 788,655.60

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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.