Home / 674,795.70-931,243.14-368,892.45

Finding the Fourth Proportional to 674,795.70, 931,243.14 and 368,892.45

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Solution

The fourth proportional to 674,795.70, 931,243.14 and 368,892.45 is: 509,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,795.70 : 931,243.14 = 368,892.45 : x
  2. Step 2: Convert to fraction form
    674,795.70/931,243.14 = 368,892.45/x
  3. Step 3: Cross multiply
    674,795.70x = 931,243.14 × 368,892.45
  4. Step 4: Simplify right side
    674,795.70x = 343,528,563,460.29
  5. Step 5: Solve for x
    x = 343,528,563,460.29/674,795.70
  6. Step 6: Final answer
    x = 509,085.29

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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.