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Finding the Fourth Proportional to 604,977.60, 907,466.40 and 511,665.60

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Solution

The fourth proportional to 604,977.60, 907,466.40 and 511,665.60 is: 767,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,977.60 : 907,466.40 = 511,665.60 : x
  2. Step 2: Convert to fraction form
    604,977.60/907,466.40 = 511,665.60/x
  3. Step 3: Cross multiply
    604,977.60x = 907,466.40 × 511,665.60
  4. Step 4: Simplify right side
    604,977.60x = 464,319,340,035.84
  5. Step 5: Solve for x
    x = 464,319,340,035.84/604,977.60
  6. Step 6: Final answer
    x = 767,498.40

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Similar ratio
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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.