Home / 670,466.34-1,004,593.47-386,395.49

Finding the Fourth Proportional to 670,466.34, 1,004,593.47 and 386,395.49

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Solution

The fourth proportional to 670,466.34, 1,004,593.47 and 386,395.49 is: 578,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,466.34 : 1,004,593.47 = 386,395.49 : x
  2. Step 2: Convert to fraction form
    670,466.34/1,004,593.47 = 386,395.49/x
  3. Step 3: Cross multiply
    670,466.34x = 1,004,593.47 × 386,395.49
  4. Step 4: Simplify right side
    670,466.34x = 388,170,381,068.48
  5. Step 5: Solve for x
    x = 388,170,381,068.48/670,466.34
  6. Step 6: Final answer
    x = 578,955.81

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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.