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Finding the Fourth Proportional to 649,373.76, 896,153.28 and 362,925.12

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Solution

The fourth proportional to 649,373.76, 896,153.28 and 362,925.12 is: 500,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,373.76 : 896,153.28 = 362,925.12 : x
  2. Step 2: Convert to fraction form
    649,373.76/896,153.28 = 362,925.12/x
  3. Step 3: Cross multiply
    649,373.76x = 896,153.28 × 362,925.12
  4. Step 4: Simplify right side
    649,373.76x = 325,236,536,682.39
  5. Step 5: Solve for x
    x = 325,236,536,682.39/649,373.76
  6. Step 6: Final answer
    x = 500,846.44

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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.