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Finding the Fourth Proportional to 604,600.80, 907,484.40 and 305,419.20

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Solution

The fourth proportional to 604,600.80, 907,484.40 and 305,419.20 is: 458,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,600.80 : 907,484.40 = 305,419.20 : x
  2. Step 2: Convert to fraction form
    604,600.80/907,484.40 = 305,419.20/x
  3. Step 3: Cross multiply
    604,600.80x = 907,484.40 × 305,419.20
  4. Step 4: Simplify right side
    604,600.80x = 277,163,159,460.48
  5. Step 5: Solve for x
    x = 277,163,159,460.48/604,600.80
  6. Step 6: Final answer
    x = 458,423.41

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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.