Home / 931,709.95-1,285,729.95-523,829.05

Finding the Fourth Proportional to 931,709.95, 1,285,729.95 and 523,829.05

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Solution

The fourth proportional to 931,709.95, 1,285,729.95 and 523,829.05 is: 722,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,709.95 : 1,285,729.95 = 523,829.05 : x
  2. Step 2: Convert to fraction form
    931,709.95/1,285,729.95 = 523,829.05/x
  3. Step 3: Cross multiply
    931,709.95x = 1,285,729.95 × 523,829.05
  4. Step 4: Simplify right side
    931,709.95x = 673,502,698,265.05
  5. Step 5: Solve for x
    x = 673,502,698,265.05/931,709.95
  6. Step 6: Final answer
    x = 722,867.35

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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.