Home / 912,287.76-1,258,934.93-504,379.10

Finding the Fourth Proportional to 912,287.76, 1,258,934.93 and 504,379.10

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Solution

The fourth proportional to 912,287.76, 1,258,934.93 and 504,379.10 is: 696,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,287.76 : 1,258,934.93 = 504,379.10 : x
  2. Step 2: Convert to fraction form
    912,287.76/1,258,934.93 = 504,379.10/x
  3. Step 3: Cross multiply
    912,287.76x = 1,258,934.93 × 504,379.10
  4. Step 4: Simplify right side
    912,287.76x = 634,980,470,887.39
  5. Step 5: Solve for x
    x = 634,980,470,887.39/912,287.76
  6. Step 6: Final answer
    x = 696,030.90

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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.