Home / 727,386.35-1,003,820.24-400,712.63

Finding the Fourth Proportional to 727,386.35, 1,003,820.24 and 400,712.63

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Solution

The fourth proportional to 727,386.35, 1,003,820.24 and 400,712.63 is: 552,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,386.35 : 1,003,820.24 = 400,712.63 : x
  2. Step 2: Convert to fraction form
    727,386.35/1,003,820.24 = 400,712.63/x
  3. Step 3: Cross multiply
    727,386.35x = 1,003,820.24 × 400,712.63
  4. Step 4: Simplify right side
    727,386.35x = 402,243,448,417.63
  5. Step 5: Solve for x
    x = 402,243,448,417.63/727,386.35
  6. Step 6: Final answer
    x = 552,998.35

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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.