Home / 1,071,384.32-1,607,030.40-323,408

Finding the Fourth Proportional to 1,071,384.32, 1,607,030.40 and 323,408

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Solution

The fourth proportional to 1,071,384.32, 1,607,030.40 and 323,408 is: 485,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,384.32 : 1,607,030.40 = 323,408 : x
  2. Step 2: Convert to fraction form
    1,071,384.32/1,607,030.40 = 323,408/x
  3. Step 3: Cross multiply
    1,071,384.32x = 1,607,030.40 × 323,408
  4. Step 4: Simplify right side
    1,071,384.32x = 519,726,487,603.20
  5. Step 5: Solve for x
    x = 519,726,487,603.20/1,071,384.32
  6. Step 6: Final answer
    x = 485,098.09

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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.