Home / 727,486.48-1,003,981.80-441,018.64

Finding the Fourth Proportional to 727,486.48, 1,003,981.80 and 441,018.64

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Solution

The fourth proportional to 727,486.48, 1,003,981.80 and 441,018.64 is: 608,636.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,486.48 : 1,003,981.80 = 441,018.64 : x
  2. Step 2: Convert to fraction form
    727,486.48/1,003,981.80 = 441,018.64/x
  3. Step 3: Cross multiply
    727,486.48x = 1,003,981.80 × 441,018.64
  4. Step 4: Simplify right side
    727,486.48x = 442,774,688,020.75
  5. Step 5: Solve for x
    x = 442,774,688,020.75/727,486.48
  6. Step 6: Final answer
    x = 608,636.31

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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.