Home / 679,261.32-937,382.58-373,369.02

Finding the Fourth Proportional to 679,261.32, 937,382.58 and 373,369.02

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Solution

The fourth proportional to 679,261.32, 937,382.58 and 373,369.02 is: 515,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,261.32 : 937,382.58 = 373,369.02 : x
  2. Step 2: Convert to fraction form
    679,261.32/937,382.58 = 373,369.02/x
  3. Step 3: Cross multiply
    679,261.32x = 937,382.58 × 373,369.02
  4. Step 4: Simplify right side
    679,261.32x = 349,989,615,259.67
  5. Step 5: Solve for x
    x = 349,989,615,259.67/679,261.32
  6. Step 6: Final answer
    x = 515,250.32

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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.