Home / 837,421.40-1,255,943.36-238,369.28

Finding the Fourth Proportional to 837,421.40, 1,255,943.36 and 238,369.28

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Solution

The fourth proportional to 837,421.40, 1,255,943.36 and 238,369.28 is: 357,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,421.40 : 1,255,943.36 = 238,369.28 : x
  2. Step 2: Convert to fraction form
    837,421.40/1,255,943.36 = 238,369.28/x
  3. Step 3: Cross multiply
    837,421.40x = 1,255,943.36 × 238,369.28
  4. Step 4: Simplify right side
    837,421.40x = 299,378,314,443.98
  5. Step 5: Solve for x
    x = 299,378,314,443.98/837,421.40
  6. Step 6: Final answer
    x = 357,500.20

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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.