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Finding the Fourth Proportional to 532,894.40, 799,341.60 and 448,913.60

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Solution

The fourth proportional to 532,894.40, 799,341.60 and 448,913.60 is: 673,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,894.40 : 799,341.60 = 448,913.60 : x
  2. Step 2: Convert to fraction form
    532,894.40/799,341.60 = 448,913.60/x
  3. Step 3: Cross multiply
    532,894.40x = 799,341.60 × 448,913.60
  4. Step 4: Simplify right side
    532,894.40x = 358,835,315,285.76
  5. Step 5: Solve for x
    x = 358,835,315,285.76/532,894.40
  6. Step 6: Final answer
    x = 673,370.40

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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.