Home / 948,315.38-1,308,697.95-540,408.50

Finding the Fourth Proportional to 948,315.38, 1,308,697.95 and 540,408.50

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Solution

The fourth proportional to 948,315.38, 1,308,697.95 and 540,408.50 is: 745,776.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,315.38 : 1,308,697.95 = 540,408.50 : x
  2. Step 2: Convert to fraction form
    948,315.38/1,308,697.95 = 540,408.50/x
  3. Step 3: Cross multiply
    948,315.38x = 1,308,697.95 × 540,408.50
  4. Step 4: Simplify right side
    948,315.38x = 707,231,496,112.58
  5. Step 5: Solve for x
    x = 707,231,496,112.58/948,315.38
  6. Step 6: Final answer
    x = 745,776.68

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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.