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Finding the Fourth Proportional to 964,442.70, 1,446,117.30 and 365,423.40

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Solution

The fourth proportional to 964,442.70, 1,446,117.30 and 365,423.40 is: 547,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,442.70 : 1,446,117.30 = 365,423.40 : x
  2. Step 2: Convert to fraction form
    964,442.70/1,446,117.30 = 365,423.40/x
  3. Step 3: Cross multiply
    964,442.70x = 1,446,117.30 × 365,423.40
  4. Step 4: Simplify right side
    964,442.70x = 528,445,100,564.82
  5. Step 5: Solve for x
    x = 528,445,100,564.82/964,442.70
  6. Step 6: Final answer
    x = 547,927.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.