Home / 813,929.04-1,221,068.66-274,239

Finding the Fourth Proportional to 813,929.04, 1,221,068.66 and 274,239

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Solution

The fourth proportional to 813,929.04, 1,221,068.66 and 274,239 is: 411,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,929.04 : 1,221,068.66 = 274,239 : x
  2. Step 2: Convert to fraction form
    813,929.04/1,221,068.66 = 274,239/x
  3. Step 3: Cross multiply
    813,929.04x = 1,221,068.66 × 274,239
  4. Step 4: Simplify right side
    813,929.04x = 334,864,646,878.55
  5. Step 5: Solve for x
    x = 334,864,646,878.55/813,929.04
  6. Step 6: Final answer
    x = 411,417.50

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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.