Home / 668,429.05-922,425.80-362,512.18

Finding the Fourth Proportional to 668,429.05, 922,425.80 and 362,512.18

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Solution

The fourth proportional to 668,429.05, 922,425.80 and 362,512.18 is: 500,263.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,429.05 : 922,425.80 = 362,512.18 : x
  2. Step 2: Convert to fraction form
    668,429.05/922,425.80 = 362,512.18/x
  3. Step 3: Cross multiply
    668,429.05x = 922,425.80 × 362,512.18
  4. Step 4: Simplify right side
    668,429.05x = 334,390,581,221.55
  5. Step 5: Solve for x
    x = 334,390,581,221.55/668,429.05
  6. Step 6: Final answer
    x = 500,263.39

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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.