Home / 747,416.63-1,031,434.67-407,884.88

Finding the Fourth Proportional to 747,416.63, 1,031,434.67 and 407,884.88

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Solution

The fourth proportional to 747,416.63, 1,031,434.67 and 407,884.88 is: 562,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,416.63 : 1,031,434.67 = 407,884.88 : x
  2. Step 2: Convert to fraction form
    747,416.63/1,031,434.67 = 407,884.88/x
  3. Step 3: Cross multiply
    747,416.63x = 1,031,434.67 × 407,884.88
  4. Step 4: Simplify right side
    747,416.63x = 420,706,610,199.09
  5. Step 5: Solve for x
    x = 420,706,610,199.09/747,416.63
  6. Step 6: Final answer
    x = 562,880.98

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Double scale
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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.