Home / 670,454.19-1,005,016.98-314,831.59

Finding the Fourth Proportional to 670,454.19, 1,005,016.98 and 314,831.59

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Solution

The fourth proportional to 670,454.19, 1,005,016.98 and 314,831.59 is: 471,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,454.19 : 1,005,016.98 = 314,831.59 : x
  2. Step 2: Convert to fraction form
    670,454.19/1,005,016.98 = 314,831.59/x
  3. Step 3: Cross multiply
    670,454.19x = 1,005,016.98 × 314,831.59
  4. Step 4: Simplify right side
    670,454.19x = 316,411,093,790.40
  5. Step 5: Solve for x
    x = 316,411,093,790.40/670,454.19
  6. Step 6: Final answer
    x = 471,935.44

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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.