Home / 539,011.06-743,838.80-297,300.17

Finding the Fourth Proportional to 539,011.06, 743,838.80 and 297,300.17

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Solution

The fourth proportional to 539,011.06, 743,838.80 and 297,300.17 is: 410,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,011.06 : 743,838.80 = 297,300.17 : x
  2. Step 2: Convert to fraction form
    539,011.06/743,838.80 = 297,300.17/x
  3. Step 3: Cross multiply
    539,011.06x = 743,838.80 × 297,300.17
  4. Step 4: Simplify right side
    539,011.06x = 221,143,402,065.69
  5. Step 5: Solve for x
    x = 221,143,402,065.69/539,011.06
  6. Step 6: Final answer
    x = 410,276.19

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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.