Home / 679,208.16-937,315.72-373,317.92

Finding the Fourth Proportional to 679,208.16, 937,315.72 and 373,317.92

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Solution

The fourth proportional to 679,208.16, 937,315.72 and 373,317.92 is: 515,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,208.16 : 937,315.72 = 373,317.92 : x
  2. Step 2: Convert to fraction form
    679,208.16/937,315.72 = 373,317.92/x
  3. Step 3: Cross multiply
    679,208.16x = 937,315.72 × 373,317.92
  4. Step 4: Simplify right side
    679,208.16x = 349,916,754,973.70
  5. Step 5: Solve for x
    x = 349,916,754,973.70/679,208.16
  6. Step 6: Final answer
    x = 515,183.38

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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.