Home / 887,058.70-1,330,588.05-550,479.40

Finding the Fourth Proportional to 887,058.70, 1,330,588.05 and 550,479.40

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Solution

The fourth proportional to 887,058.70, 1,330,588.05 and 550,479.40 is: 825,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,058.70 : 1,330,588.05 = 550,479.40 : x
  2. Step 2: Convert to fraction form
    887,058.70/1,330,588.05 = 550,479.40/x
  3. Step 3: Cross multiply
    887,058.70x = 1,330,588.05 × 550,479.40
  4. Step 4: Simplify right side
    887,058.70x = 732,461,311,411.17
  5. Step 5: Solve for x
    x = 732,461,311,411.17/887,058.70
  6. Step 6: Final answer
    x = 825,719.10

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1.5x scale

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.