Home / 679,243.09-937,365.15-373,347.74

Finding the Fourth Proportional to 679,243.09, 937,365.15 and 373,347.74

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Solution

The fourth proportional to 679,243.09, 937,365.15 and 373,347.74 is: 515,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,243.09 : 937,365.15 = 373,347.74 : x
  2. Step 2: Convert to fraction form
    679,243.09/937,365.15 = 373,347.74/x
  3. Step 3: Cross multiply
    679,243.09x = 937,365.15 × 373,347.74
  4. Step 4: Simplify right side
    679,243.09x = 349,963,153,753.70
  5. Step 5: Solve for x
    x = 349,963,153,753.70/679,243.09
  6. Step 6: Final answer
    x = 515,225.20

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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.