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Finding the Fourth Proportional to 605,015.10, 907,522.65 and 511,703.10

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Solution

The fourth proportional to 605,015.10, 907,522.65 and 511,703.10 is: 767,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,015.10 : 907,522.65 = 511,703.10 : x
  2. Step 2: Convert to fraction form
    605,015.10/907,522.65 = 511,703.10/x
  3. Step 3: Cross multiply
    605,015.10x = 907,522.65 × 511,703.10
  4. Step 4: Simplify right side
    605,015.10x = 464,382,153,325.22
  5. Step 5: Solve for x
    x = 464,382,153,325.22/605,015.10
  6. Step 6: Final answer
    x = 767,554.65

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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.