Home / 889,038.09-1,226,874.05-481,140.29

Finding the Fourth Proportional to 889,038.09, 1,226,874.05 and 481,140.29

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Solution

The fourth proportional to 889,038.09, 1,226,874.05 and 481,140.29 is: 663,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,038.09 : 1,226,874.05 = 481,140.29 : x
  2. Step 2: Convert to fraction form
    889,038.09/1,226,874.05 = 481,140.29/x
  3. Step 3: Cross multiply
    889,038.09x = 1,226,874.05 × 481,140.29
  4. Step 4: Simplify right side
    889,038.09x = 590,298,536,210.48
  5. Step 5: Solve for x
    x = 590,298,536,210.48/889,038.09
  6. Step 6: Final answer
    x = 663,974.40

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Double scale
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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.