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Finding the Fourth Proportional to 612,429.71, 845,200.32 and 367,423.64

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Solution

The fourth proportional to 612,429.71, 845,200.32 and 367,423.64 is: 507,073.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,429.71 : 845,200.32 = 367,423.64 : x
  2. Step 2: Convert to fraction form
    612,429.71/845,200.32 = 367,423.64/x
  3. Step 3: Cross multiply
    612,429.71x = 845,200.32 × 367,423.64
  4. Step 4: Simplify right side
    612,429.71x = 310,546,573,877.56
  5. Step 5: Solve for x
    x = 310,546,573,877.56/612,429.71
  6. Step 6: Final answer
    x = 507,073.01

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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.