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Finding the Fourth Proportional to 559,862.90, 839,794.35 and 402,398.90

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Solution

The fourth proportional to 559,862.90, 839,794.35 and 402,398.90 is: 603,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,862.90 : 839,794.35 = 402,398.90 : x
  2. Step 2: Convert to fraction form
    559,862.90/839,794.35 = 402,398.90/x
  3. Step 3: Cross multiply
    559,862.90x = 839,794.35 × 402,398.90
  4. Step 4: Simplify right side
    559,862.90x = 337,932,322,666.22
  5. Step 5: Solve for x
    x = 337,932,322,666.22/559,862.90
  6. Step 6: Final answer
    x = 603,598.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.