Home / 912,289.73-1,258,937.64-504,381.06

Finding the Fourth Proportional to 912,289.73, 1,258,937.64 and 504,381.06

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Solution

The fourth proportional to 912,289.73, 1,258,937.64 and 504,381.06 is: 696,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,289.73 : 1,258,937.64 = 504,381.06 : x
  2. Step 2: Convert to fraction form
    912,289.73/1,258,937.64 = 504,381.06/x
  3. Step 3: Cross multiply
    912,289.73x = 1,258,937.64 × 504,381.06
  4. Step 4: Simplify right side
    912,289.73x = 634,984,301,337.10
  5. Step 5: Solve for x
    x = 634,984,301,337.10/912,289.73
  6. Step 6: Final answer
    x = 696,033.60

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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.