Home / 747,348.50-1,031,362.80-407,838.62

Finding the Fourth Proportional to 747,348.50, 1,031,362.80 and 407,838.62

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Solution

The fourth proportional to 747,348.50, 1,031,362.80 and 407,838.62 is: 562,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,348.50 : 1,031,362.80 = 407,838.62 : x
  2. Step 2: Convert to fraction form
    747,348.50/1,031,362.80 = 407,838.62/x
  3. Step 3: Cross multiply
    747,348.50x = 1,031,362.80 × 407,838.62
  4. Step 4: Simplify right side
    747,348.50x = 420,629,581,071.34
  5. Step 5: Solve for x
    x = 420,629,581,071.34/747,348.50
  6. Step 6: Final answer
    x = 562,829.23

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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.