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Finding the Fourth Proportional to 750,570.10, 1,035,745.72 and 440,430.93

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Solution

The fourth proportional to 750,570.10, 1,035,745.72 and 440,430.93 is: 607,770.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,570.10 : 1,035,745.72 = 440,430.93 : x
  2. Step 2: Convert to fraction form
    750,570.10/1,035,745.72 = 440,430.93/x
  3. Step 3: Cross multiply
    750,570.10x = 1,035,745.72 × 440,430.93
  4. Step 4: Simplify right side
    750,570.10x = 456,174,450,129.52
  5. Step 5: Solve for x
    x = 456,174,450,129.52/750,570.10
  6. Step 6: Final answer
    x = 607,770.61

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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.