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Finding the Fourth Proportional to 833,649.60, 1,150,421.43 and 471,065.63

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Solution

The fourth proportional to 833,649.60, 1,150,421.43 and 471,065.63 is: 650,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,649.60 : 1,150,421.43 = 471,065.63 : x
  2. Step 2: Convert to fraction form
    833,649.60/1,150,421.43 = 471,065.63/x
  3. Step 3: Cross multiply
    833,649.60x = 1,150,421.43 × 471,065.63
  4. Step 4: Simplify right side
    833,649.60x = 541,923,991,702.84
  5. Step 5: Solve for x
    x = 541,923,991,702.84/833,649.60
  6. Step 6: Final answer
    x = 650,062.08

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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.