Home / 817,021.40-1,127,473.33-454,437.46

Finding the Fourth Proportional to 817,021.40, 1,127,473.33 and 454,437.46

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Solution

The fourth proportional to 817,021.40, 1,127,473.33 and 454,437.46 is: 627,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,021.40 : 1,127,473.33 = 454,437.46 : x
  2. Step 2: Convert to fraction form
    817,021.40/1,127,473.33 = 454,437.46/x
  3. Step 3: Cross multiply
    817,021.40x = 1,127,473.33 × 454,437.46
  4. Step 4: Simplify right side
    817,021.40x = 512,366,108,393.39
  5. Step 5: Solve for x
    x = 512,366,108,393.39/817,021.40
  6. Step 6: Final answer
    x = 627,114.67

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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.