Home / 781,303.84-1,172,072.74-282,784.48

Finding the Fourth Proportional to 781,303.84, 1,172,072.74 and 282,784.48

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Solution

The fourth proportional to 781,303.84, 1,172,072.74 and 282,784.48 is: 424,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,303.84 : 1,172,072.74 = 282,784.48 : x
  2. Step 2: Convert to fraction form
    781,303.84/1,172,072.74 = 282,784.48/x
  3. Step 3: Cross multiply
    781,303.84x = 1,172,072.74 × 282,784.48
  4. Step 4: Simplify right side
    781,303.84x = 331,443,980,303.08
  5. Step 5: Solve for x
    x = 331,443,980,303.08/781,303.84
  6. Step 6: Final answer
    x = 424,219.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.