Home / 858,782.76-1,185,157.20-476,809.50

Finding the Fourth Proportional to 858,782.76, 1,185,157.20 and 476,809.50

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Solution

The fourth proportional to 858,782.76, 1,185,157.20 and 476,809.50 is: 658,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,782.76 : 1,185,157.20 = 476,809.50 : x
  2. Step 2: Convert to fraction form
    858,782.76/1,185,157.20 = 476,809.50/x
  3. Step 3: Cross multiply
    858,782.76x = 1,185,157.20 × 476,809.50
  4. Step 4: Simplify right side
    858,782.76x = 565,094,211,953.40
  5. Step 5: Solve for x
    x = 565,094,211,953.40/858,782.76
  6. Step 6: Final answer
    x = 658,017.65

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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.