Home / 756,203.85-1,042,859.91-551,931.17

Finding the Fourth Proportional to 756,203.85, 1,042,859.91 and 551,931.17

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Solution

The fourth proportional to 756,203.85, 1,042,859.91 and 551,931.17 is: 761,153.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,203.85 : 1,042,859.91 = 551,931.17 : x
  2. Step 2: Convert to fraction form
    756,203.85/1,042,859.91 = 551,931.17/x
  3. Step 3: Cross multiply
    756,203.85x = 1,042,859.91 × 551,931.17
  4. Step 4: Simplify right side
    756,203.85x = 575,586,887,127.84
  5. Step 5: Solve for x
    x = 575,586,887,127.84/756,203.85
  6. Step 6: Final answer
    x = 761,153.08

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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.