Home / 756,989.04-1,135,483.72-307,954.16

Finding the Fourth Proportional to 756,989.04, 1,135,483.72 and 307,954.16

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Solution

The fourth proportional to 756,989.04, 1,135,483.72 and 307,954.16 is: 461,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,989.04 : 1,135,483.72 = 307,954.16 : x
  2. Step 2: Convert to fraction form
    756,989.04/1,135,483.72 = 307,954.16/x
  3. Step 3: Cross multiply
    756,989.04x = 1,135,483.72 × 307,954.16
  4. Step 4: Simplify right side
    756,989.04x = 349,676,935,186.28
  5. Step 5: Solve for x
    x = 349,676,935,186.28/756,989.04
  6. Step 6: Final answer
    x = 461,931.31

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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.