Home / 346,547.58-520,028.73-318,346.62

Finding the Fourth Proportional to 346,547.58, 520,028.73 and 318,346.62

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Solution

The fourth proportional to 346,547.58, 520,028.73 and 318,346.62 is: 477,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,547.58 : 520,028.73 = 318,346.62 : x
  2. Step 2: Convert to fraction form
    346,547.58/520,028.73 = 318,346.62/x
  3. Step 3: Cross multiply
    346,547.58x = 520,028.73 × 318,346.62
  4. Step 4: Simplify right side
    346,547.58x = 165,549,388,498.39
  5. Step 5: Solve for x
    x = 165,549,388,498.39/346,547.58
  6. Step 6: Final answer
    x = 477,710.42

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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.