Home / 740,505.04-1,021,896.96-400,973.29

Finding the Fourth Proportional to 740,505.04, 1,021,896.96 and 400,973.29

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Solution

The fourth proportional to 740,505.04, 1,021,896.96 and 400,973.29 is: 553,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,505.04 : 1,021,896.96 = 400,973.29 : x
  2. Step 2: Convert to fraction form
    740,505.04/1,021,896.96 = 400,973.29/x
  3. Step 3: Cross multiply
    740,505.04x = 1,021,896.96 × 400,973.29
  4. Step 4: Simplify right side
    740,505.04x = 409,753,386,092.20
  5. Step 5: Solve for x
    x = 409,753,386,092.20/740,505.04
  6. Step 6: Final answer
    x = 553,343.14

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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.