Home / 976,831.40-1,464,809.70-444,078.20

Finding the Fourth Proportional to 976,831.40, 1,464,809.70 and 444,078.20

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Solution

The fourth proportional to 976,831.40, 1,464,809.70 and 444,078.20 is: 665,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,831.40 : 1,464,809.70 = 444,078.20 : x
  2. Step 2: Convert to fraction form
    976,831.40/1,464,809.70 = 444,078.20/x
  3. Step 3: Cross multiply
    976,831.40x = 1,464,809.70 × 444,078.20
  4. Step 4: Simplify right side
    976,831.40x = 650,490,054,918.54
  5. Step 5: Solve for x
    x = 650,490,054,918.54/976,831.40
  6. Step 6: Final answer
    x = 665,918.45

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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.