Home / 788,223.42-1,087,828.58-482,501.78

Finding the Fourth Proportional to 788,223.42, 1,087,828.58 and 482,501.78

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Solution

The fourth proportional to 788,223.42, 1,087,828.58 and 482,501.78 is: 665,901.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,223.42 : 1,087,828.58 = 482,501.78 : x
  2. Step 2: Convert to fraction form
    788,223.42/1,087,828.58 = 482,501.78/x
  3. Step 3: Cross multiply
    788,223.42x = 1,087,828.58 × 482,501.78
  4. Step 4: Simplify right side
    788,223.42x = 524,879,226,031.34
  5. Step 5: Solve for x
    x = 524,879,226,031.34/788,223.42
  6. Step 6: Final answer
    x = 665,901.59

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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.