Home / 346,575.96-518,681.10-290,479.44

Finding the Fourth Proportional to 346,575.96, 518,681.10 and 290,479.44

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Solution

The fourth proportional to 346,575.96, 518,681.10 and 290,479.44 is: 434,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,575.96 : 518,681.10 = 290,479.44 : x
  2. Step 2: Convert to fraction form
    346,575.96/518,681.10 = 290,479.44/x
  3. Step 3: Cross multiply
    346,575.96x = 518,681.10 × 290,479.44
  4. Step 4: Simplify right side
    346,575.96x = 150,666,195,466.58
  5. Step 5: Solve for x
    x = 150,666,195,466.58/346,575.96
  6. Step 6: Final answer
    x = 434,727.77

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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.