Home / 727,384.35-1,003,817.48-400,710.63

Finding the Fourth Proportional to 727,384.35, 1,003,817.48 and 400,710.63

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Solution

The fourth proportional to 727,384.35, 1,003,817.48 and 400,710.63 is: 552,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,384.35 : 1,003,817.48 = 400,710.63 : x
  2. Step 2: Convert to fraction form
    727,384.35/1,003,817.48 = 400,710.63/x
  3. Step 3: Cross multiply
    727,384.35x = 1,003,817.48 × 400,710.63
  4. Step 4: Simplify right side
    727,384.35x = 402,240,332,812.26
  5. Step 5: Solve for x
    x = 402,240,332,812.26/727,384.35
  6. Step 6: Final answer
    x = 552,995.58

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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.