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Finding the Fourth Proportional to 604,325.40, 905,503.95 and 444,893.10

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Solution

The fourth proportional to 604,325.40, 905,503.95 and 444,893.10 is: 666,615.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,325.40 : 905,503.95 = 444,893.10 : x
  2. Step 2: Convert to fraction form
    604,325.40/905,503.95 = 444,893.10/x
  3. Step 3: Cross multiply
    604,325.40x = 905,503.95 × 444,893.10
  4. Step 4: Simplify right side
    604,325.40x = 402,852,459,377.75
  5. Step 5: Solve for x
    x = 402,852,459,377.75/604,325.40
  6. Step 6: Final answer
    x = 666,615.14

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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.