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Finding the Fourth Proportional to 899,001, 1,240,095.96 and 559,578.60

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Solution

The fourth proportional to 899,001, 1,240,095.96 and 559,578.60 is: 771,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,001 : 1,240,095.96 = 559,578.60 : x
  2. Step 2: Convert to fraction form
    899,001/1,240,095.96 = 559,578.60/x
  3. Step 3: Cross multiply
    899,001x = 1,240,095.96 × 559,578.60
  4. Step 4: Simplify right side
    899,001x = 693,931,161,162.46
  5. Step 5: Solve for x
    x = 693,931,161,162.46/899,001
  6. Step 6: Final answer
    x = 771,891.42

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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.