Home / 867,811.40-1,301,717.10-369,110.60

Finding the Fourth Proportional to 867,811.40, 1,301,717.10 and 369,110.60

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Solution

The fourth proportional to 867,811.40, 1,301,717.10 and 369,110.60 is: 553,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,811.40 : 1,301,717.10 = 369,110.60 : x
  2. Step 2: Convert to fraction form
    867,811.40/1,301,717.10 = 369,110.60/x
  3. Step 3: Cross multiply
    867,811.40x = 1,301,717.10 × 369,110.60
  4. Step 4: Simplify right side
    867,811.40x = 480,477,579,811.26
  5. Step 5: Solve for x
    x = 480,477,579,811.26/867,811.40
  6. Step 6: Final answer
    x = 553,665.90

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Similar ratio
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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.