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Finding the Fourth Proportional to 751,792.16, 1,037,409 and 425,089.16

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Solution

The fourth proportional to 751,792.16, 1,037,409 and 425,089.16 is: 586,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,792.16 : 1,037,409 = 425,089.16 : x
  2. Step 2: Convert to fraction form
    751,792.16/1,037,409 = 425,089.16/x
  3. Step 3: Cross multiply
    751,792.16x = 1,037,409 × 425,089.16
  4. Step 4: Simplify right side
    751,792.16x = 440,991,320,386.44
  5. Step 5: Solve for x
    x = 440,991,320,386.44/751,792.16
  6. Step 6: Final answer
    x = 586,586.75

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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.