Home / 912,289.76-1,258,937.69-504,381.10

Finding the Fourth Proportional to 912,289.76, 1,258,937.69 and 504,381.10

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Solution

The fourth proportional to 912,289.76, 1,258,937.69 and 504,381.10 is: 696,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,289.76 : 1,258,937.69 = 504,381.10 : x
  2. Step 2: Convert to fraction form
    912,289.76/1,258,937.69 = 504,381.10/x
  3. Step 3: Cross multiply
    912,289.76x = 1,258,937.69 × 504,381.10
  4. Step 4: Simplify right side
    912,289.76x = 634,984,376,913.66
  5. Step 5: Solve for x
    x = 634,984,376,913.66/912,289.76
  6. Step 6: Final answer
    x = 696,033.66

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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.