Home / 740,090.57-1,021,349.75-453,555.32

Finding the Fourth Proportional to 740,090.57, 1,021,349.75 and 453,555.32

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Solution

The fourth proportional to 740,090.57, 1,021,349.75 and 453,555.32 is: 625,921.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,090.57 : 1,021,349.75 = 453,555.32 : x
  2. Step 2: Convert to fraction form
    740,090.57/1,021,349.75 = 453,555.32/x
  3. Step 3: Cross multiply
    740,090.57x = 1,021,349.75 × 453,555.32
  4. Step 4: Simplify right side
    740,090.57x = 463,238,605,318.65
  5. Step 5: Solve for x
    x = 463,238,605,318.65/740,090.57
  6. Step 6: Final answer
    x = 625,921.51

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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.