Home / 730,271.70-1,007,822.23-407,983.53

Finding the Fourth Proportional to 730,271.70, 1,007,822.23 and 407,983.53

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Solution

The fourth proportional to 730,271.70, 1,007,822.23 and 407,983.53 is: 563,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,271.70 : 1,007,822.23 = 407,983.53 : x
  2. Step 2: Convert to fraction form
    730,271.70/1,007,822.23 = 407,983.53/x
  3. Step 3: Cross multiply
    730,271.70x = 1,007,822.23 × 407,983.53
  4. Step 4: Simplify right side
    730,271.70x = 411,174,871,007.87
  5. Step 5: Solve for x
    x = 411,174,871,007.87/730,271.70
  6. Step 6: Final answer
    x = 563,043.69

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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.