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Finding the Fourth Proportional to 620,346.60, 930,301.20 and 283,548.60

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Solution

The fourth proportional to 620,346.60, 930,301.20 and 283,548.60 is: 425,222.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,346.60 : 930,301.20 = 283,548.60 : x
  2. Step 2: Convert to fraction form
    620,346.60/930,301.20 = 283,548.60/x
  3. Step 3: Cross multiply
    620,346.60x = 930,301.20 × 283,548.60
  4. Step 4: Simplify right side
    620,346.60x = 263,785,602,838.32
  5. Step 5: Solve for x
    x = 263,785,602,838.32/620,346.60
  6. Step 6: Final answer
    x = 425,222.94

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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.