Home / 668,814.39-922,962.69-362,890.80

Finding the Fourth Proportional to 668,814.39, 922,962.69 and 362,890.80

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Solution

The fourth proportional to 668,814.39, 922,962.69 and 362,890.80 is: 500,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,814.39 : 922,962.69 = 362,890.80 : x
  2. Step 2: Convert to fraction form
    668,814.39/922,962.69 = 362,890.80/x
  3. Step 3: Cross multiply
    668,814.39x = 922,962.69 × 362,890.80
  4. Step 4: Simplify right side
    668,814.39x = 334,934,668,944.25
  5. Step 5: Solve for x
    x = 334,934,668,944.25/668,814.39
  6. Step 6: Final answer
    x = 500,788.67

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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.