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Finding the Fourth Proportional to 613,501.92, 920,391.12 and 187,075.44

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Solution

The fourth proportional to 613,501.92, 920,391.12 and 187,075.44 is: 280,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,501.92 : 920,391.12 = 187,075.44 : x
  2. Step 2: Convert to fraction form
    613,501.92/920,391.12 = 187,075.44/x
  3. Step 3: Cross multiply
    613,501.92x = 920,391.12 × 187,075.44
  4. Step 4: Simplify right side
    613,501.92x = 172,182,573,746.09
  5. Step 5: Solve for x
    x = 172,182,573,746.09/613,501.92
  6. Step 6: Final answer
    x = 280,655.31

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1.5x scale

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.