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Finding the Fourth Proportional to 610,259.27, 842,186.57 and 380,952.32

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Solution

The fourth proportional to 610,259.27, 842,186.57 and 380,952.32 is: 525,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,259.27 : 842,186.57 = 380,952.32 : x
  2. Step 2: Convert to fraction form
    610,259.27/842,186.57 = 380,952.32/x
  3. Step 3: Cross multiply
    610,259.27x = 842,186.57 × 380,952.32
  4. Step 4: Simplify right side
    610,259.27x = 320,832,921,598.65
  5. Step 5: Solve for x
    x = 320,832,921,598.65/610,259.27
  6. Step 6: Final answer
    x = 525,732.16

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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.