Home / 879,487.47-1,214,450.21-553,344.26

Finding the Fourth Proportional to 879,487.47, 1,214,450.21 and 553,344.26

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Solution

The fourth proportional to 879,487.47, 1,214,450.21 and 553,344.26 is: 764,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,487.47 : 1,214,450.21 = 553,344.26 : x
  2. Step 2: Convert to fraction form
    879,487.47/1,214,450.21 = 553,344.26/x
  3. Step 3: Cross multiply
    879,487.47x = 1,214,450.21 × 553,344.26
  4. Step 4: Simplify right side
    879,487.47x = 672,009,054,901.69
  5. Step 5: Solve for x
    x = 672,009,054,901.69/879,487.47
  6. Step 6: Final answer
    x = 764,091.68

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Double scale
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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.