Home / 460,270.40-689,521.08-282,258.32

Finding the Fourth Proportional to 460,270.40, 689,521.08 and 282,258.32

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Solution

The fourth proportional to 460,270.40, 689,521.08 and 282,258.32 is: 422,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,270.40 : 689,521.08 = 282,258.32 : x
  2. Step 2: Convert to fraction form
    460,270.40/689,521.08 = 282,258.32/x
  3. Step 3: Cross multiply
    460,270.40x = 689,521.08 × 282,258.32
  4. Step 4: Simplify right side
    460,270.40x = 194,623,061,645.39
  5. Step 5: Solve for x
    x = 194,623,061,645.39/460,270.40
  6. Step 6: Final answer
    x = 422,845.05

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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.