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Finding the Fourth Proportional to 604,941.60, 907,498.80 and 205,600.80

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Solution

The fourth proportional to 604,941.60, 907,498.80 and 205,600.80 is: 308,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,941.60 : 907,498.80 = 205,600.80 : x
  2. Step 2: Convert to fraction form
    604,941.60/907,498.80 = 205,600.80/x
  3. Step 3: Cross multiply
    604,941.60x = 907,498.80 × 205,600.80
  4. Step 4: Simplify right side
    604,941.60x = 186,582,479,279.04
  5. Step 5: Solve for x
    x = 186,582,479,279.04/604,941.60
  6. Step 6: Final answer
    x = 308,430.56

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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.