Home / 776,431.47-1,164,277.70-270,931.03

Finding the Fourth Proportional to 776,431.47, 1,164,277.70 and 270,931.03

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Solution

The fourth proportional to 776,431.47, 1,164,277.70 and 270,931.03 is: 406,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,431.47 : 1,164,277.70 = 270,931.03 : x
  2. Step 2: Convert to fraction form
    776,431.47/1,164,277.70 = 270,931.03/x
  3. Step 3: Cross multiply
    776,431.47x = 1,164,277.70 × 270,931.03
  4. Step 4: Simplify right side
    776,431.47x = 315,438,953,217.67
  5. Step 5: Solve for x
    x = 315,438,953,217.67/776,431.47
  6. Step 6: Final answer
    x = 406,267.60

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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.