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Finding the Fourth Proportional to 660,022.84, 910,831.44 and 358,216.84

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Solution

The fourth proportional to 660,022.84, 910,831.44 and 358,216.84 is: 494,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,022.84 : 910,831.44 = 358,216.84 : x
  2. Step 2: Convert to fraction form
    660,022.84/910,831.44 = 358,216.84/x
  3. Step 3: Cross multiply
    660,022.84x = 910,831.44 × 358,216.84
  4. Step 4: Simplify right side
    660,022.84x = 326,275,160,209.45
  5. Step 5: Solve for x
    x = 326,275,160,209.45/660,022.84
  6. Step 6: Final answer
    x = 494,339.20

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1.5x scale

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.