Home / 847,155.81-1,267,557.56-504,345.34

Finding the Fourth Proportional to 847,155.81, 1,267,557.56 and 504,345.34

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Solution

The fourth proportional to 847,155.81, 1,267,557.56 and 504,345.34 is: 754,627.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,155.81 : 1,267,557.56 = 504,345.34 : x
  2. Step 2: Convert to fraction form
    847,155.81/1,267,557.56 = 504,345.34/x
  3. Step 3: Cross multiply
    847,155.81x = 1,267,557.56 × 504,345.34
  4. Step 4: Simplify right side
    847,155.81x = 639,286,742,391.77
  5. Step 5: Solve for x
    x = 639,286,742,391.77/847,155.81
  6. Step 6: Final answer
    x = 754,627.11

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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.