Home / 898,646.70-1,348,390.02-393,142.16

Finding the Fourth Proportional to 898,646.70, 1,348,390.02 and 393,142.16

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Solution

The fourth proportional to 898,646.70, 1,348,390.02 and 393,142.16 is: 589,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,646.70 : 1,348,390.02 = 393,142.16 : x
  2. Step 2: Convert to fraction form
    898,646.70/1,348,390.02 = 393,142.16/x
  3. Step 3: Cross multiply
    898,646.70x = 1,348,390.02 × 393,142.16
  4. Step 4: Simplify right side
    898,646.70x = 530,108,964,985.24
  5. Step 5: Solve for x
    x = 530,108,964,985.24/898,646.70
  6. Step 6: Final answer
    x = 589,896.97

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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.