Home / 674,985.57-931,480.59-369,057.07

Finding the Fourth Proportional to 674,985.57, 931,480.59 and 369,057.07

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Solution

The fourth proportional to 674,985.57, 931,480.59 and 369,057.07 is: 509,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,985.57 : 931,480.59 = 369,057.07 : x
  2. Step 2: Convert to fraction form
    674,985.57/931,480.59 = 369,057.07/x
  3. Step 3: Cross multiply
    674,985.57x = 931,480.59 × 369,057.07
  4. Step 4: Simplify right side
    674,985.57x = 343,769,497,307.27
  5. Step 5: Solve for x
    x = 343,769,497,307.27/674,985.57
  6. Step 6: Final answer
    x = 509,299.03

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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.