Home / 540,931.09-746,475.69-299,213.47

Finding the Fourth Proportional to 540,931.09, 746,475.69 and 299,213.47

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Solution

The fourth proportional to 540,931.09, 746,475.69 and 299,213.47 is: 412,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,931.09 : 746,475.69 = 299,213.47 : x
  2. Step 2: Convert to fraction form
    540,931.09/746,475.69 = 299,213.47/x
  3. Step 3: Cross multiply
    540,931.09x = 746,475.69 × 299,213.47
  4. Step 4: Simplify right side
    540,931.09x = 223,355,581,475.54
  5. Step 5: Solve for x
    x = 223,355,581,475.54/540,931.09
  6. Step 6: Final answer
    x = 412,909.49

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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.