Home / 679,188.09-937,302.04-373,275.32

Finding the Fourth Proportional to 679,188.09, 937,302.04 and 373,275.32

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Solution

The fourth proportional to 679,188.09, 937,302.04 and 373,275.32 is: 515,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,188.09 : 937,302.04 = 373,275.32 : x
  2. Step 2: Convert to fraction form
    679,188.09/937,302.04 = 373,275.32/x
  3. Step 3: Cross multiply
    679,188.09x = 937,302.04 × 373,275.32
  4. Step 4: Simplify right side
    679,188.09x = 349,871,712,598.06
  5. Step 5: Solve for x
    x = 349,871,712,598.06/679,188.09
  6. Step 6: Final answer
    x = 515,132.28

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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.