Home / 847,678.33-1,271,582.61-240,456.25

Finding the Fourth Proportional to 847,678.33, 1,271,582.61 and 240,456.25

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Solution

The fourth proportional to 847,678.33, 1,271,582.61 and 240,456.25 is: 360,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,678.33 : 1,271,582.61 = 240,456.25 : x
  2. Step 2: Convert to fraction form
    847,678.33/1,271,582.61 = 240,456.25/x
  3. Step 3: Cross multiply
    847,678.33x = 1,271,582.61 × 240,456.25
  4. Step 4: Simplify right side
    847,678.33x = 305,759,985,965.81
  5. Step 5: Solve for x
    x = 305,759,985,965.81/847,678.33
  6. Step 6: Final answer
    x = 360,702.85

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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.