Home / 497,426.53-685,960.94-315,823.18

Finding the Fourth Proportional to 497,426.53, 685,960.94 and 315,823.18

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Solution

The fourth proportional to 497,426.53, 685,960.94 and 315,823.18 is: 435,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,426.53 : 685,960.94 = 315,823.18 : x
  2. Step 2: Convert to fraction form
    497,426.53/685,960.94 = 315,823.18/x
  3. Step 3: Cross multiply
    497,426.53x = 685,960.94 × 315,823.18
  4. Step 4: Simplify right side
    497,426.53x = 216,642,365,426.59
  5. Step 5: Solve for x
    x = 216,642,365,426.59/497,426.53
  6. Step 6: Final answer
    x = 435,526.36

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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.