Home / 756,416.34-1,134,500.40-307,119.06

Finding the Fourth Proportional to 756,416.34, 1,134,500.40 and 307,119.06

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Solution

The fourth proportional to 756,416.34, 1,134,500.40 and 307,119.06 is: 460,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,416.34 : 1,134,500.40 = 307,119.06 : x
  2. Step 2: Convert to fraction form
    756,416.34/1,134,500.40 = 307,119.06/x
  3. Step 3: Cross multiply
    756,416.34x = 1,134,500.40 × 307,119.06
  4. Step 4: Simplify right side
    756,416.34x = 348,426,696,417.62
  5. Step 5: Solve for x
    x = 348,426,696,417.62/756,416.34
  6. Step 6: Final answer
    x = 460,628.20

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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.