Home / 889,009.57-1,226,823.64-481,102.39

Finding the Fourth Proportional to 889,009.57, 1,226,823.64 and 481,102.39

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Solution

The fourth proportional to 889,009.57, 1,226,823.64 and 481,102.39 is: 663,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,009.57 : 1,226,823.64 = 481,102.39 : x
  2. Step 2: Convert to fraction form
    889,009.57/1,226,823.64 = 481,102.39/x
  3. Step 3: Cross multiply
    889,009.57x = 1,226,823.64 × 481,102.39
  4. Step 4: Simplify right side
    889,009.57x = 590,227,785,312.50
  5. Step 5: Solve for x
    x = 590,227,785,312.50/889,009.57
  6. Step 6: Final answer
    x = 663,916.12

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1.5x scale

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.