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Finding the Fourth Proportional to 679,409.02, 937,596.36 and 373,498.29

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Solution

The fourth proportional to 679,409.02, 937,596.36 and 373,498.29 is: 515,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,409.02 : 937,596.36 = 373,498.29 : x
  2. Step 2: Convert to fraction form
    679,409.02/937,596.36 = 373,498.29/x
  3. Step 3: Cross multiply
    679,409.02x = 937,596.36 × 373,498.29
  4. Step 4: Simplify right side
    679,409.02x = 350,190,638,570.84
  5. Step 5: Solve for x
    x = 350,190,638,570.84/679,409.02
  6. Step 6: Final answer
    x = 515,434.19

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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.