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Finding the Fourth Proportional to 897,006.80, 1,345,477.80 and 364,512.80

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Solution

The fourth proportional to 897,006.80, 1,345,477.80 and 364,512.80 is: 546,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,006.80 : 1,345,477.80 = 364,512.80 : x
  2. Step 2: Convert to fraction form
    897,006.80/1,345,477.80 = 364,512.80/x
  3. Step 3: Cross multiply
    897,006.80x = 1,345,477.80 × 364,512.80
  4. Step 4: Simplify right side
    897,006.80x = 490,443,880,215.84
  5. Step 5: Solve for x
    x = 490,443,880,215.84/897,006.80
  6. Step 6: Final answer
    x = 546,756.03

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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.