Home / 559,374.04-771,929.21-304,719.76

Finding the Fourth Proportional to 559,374.04, 771,929.21 and 304,719.76

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Solution

The fourth proportional to 559,374.04, 771,929.21 and 304,719.76 is: 420,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,374.04 : 771,929.21 = 304,719.76 : x
  2. Step 2: Convert to fraction form
    559,374.04/771,929.21 = 304,719.76/x
  3. Step 3: Cross multiply
    559,374.04x = 771,929.21 × 304,719.76
  4. Step 4: Simplify right side
    559,374.04x = 235,222,083,608.19
  5. Step 5: Solve for x
    x = 235,222,083,608.19/559,374.04
  6. Step 6: Final answer
    x = 420,509.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.