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Finding the Fourth Proportional to 650,617.64, 897,222.45 and 507,325.40

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Solution

The fourth proportional to 650,617.64, 897,222.45 and 507,325.40 is: 699,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,617.64 : 897,222.45 = 507,325.40 : x
  2. Step 2: Convert to fraction form
    650,617.64/897,222.45 = 507,325.40/x
  3. Step 3: Cross multiply
    650,617.64x = 897,222.45 × 507,325.40
  4. Step 4: Simplify right side
    650,617.64x = 455,183,738,335.23
  5. Step 5: Solve for x
    x = 455,183,738,335.23/650,617.64
  6. Step 6: Final answer
    x = 699,617.89

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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.