Home / 510,127.60-764,535.30-310,235.80

Finding the Fourth Proportional to 510,127.60, 764,535.30 and 310,235.80

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Solution

The fourth proportional to 510,127.60, 764,535.30 and 310,235.80 is: 464,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,127.60 : 764,535.30 = 310,235.80 : x
  2. Step 2: Convert to fraction form
    510,127.60/764,535.30 = 310,235.80/x
  3. Step 3: Cross multiply
    510,127.60x = 764,535.30 × 310,235.80
  4. Step 4: Simplify right side
    510,127.60x = 237,186,220,423.74
  5. Step 5: Solve for x
    x = 237,186,220,423.74/510,127.60
  6. Step 6: Final answer
    x = 464,954.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.