Home / 679,210.54-937,333.02-373,297.76

Finding the Fourth Proportional to 679,210.54, 937,333.02 and 373,297.76

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Solution

The fourth proportional to 679,210.54, 937,333.02 and 373,297.76 is: 515,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,210.54 : 937,333.02 = 373,297.76 : x
  2. Step 2: Convert to fraction form
    679,210.54/937,333.02 = 373,297.76/x
  3. Step 3: Cross multiply
    679,210.54x = 937,333.02 × 373,297.76
  4. Step 4: Simplify right side
    679,210.54x = 349,904,316,740.04
  5. Step 5: Solve for x
    x = 349,904,316,740.04/679,210.54
  6. Step 6: Final answer
    x = 515,163.26

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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.