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Finding the Fourth Proportional to 605,561.40, 907,029.90 and 500,585.40

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Solution

The fourth proportional to 605,561.40, 907,029.90 and 500,585.40 is: 749,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,561.40 : 907,029.90 = 500,585.40 : x
  2. Step 2: Convert to fraction form
    605,561.40/907,029.90 = 500,585.40/x
  3. Step 3: Cross multiply
    605,561.40x = 907,029.90 × 500,585.40
  4. Step 4: Simplify right side
    605,561.40x = 454,045,925,303.46
  5. Step 5: Solve for x
    x = 454,045,925,303.46/605,561.40
  6. Step 6: Final answer
    x = 749,793.37

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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.