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Finding the Fourth Proportional to 614,987.56, 848,699.94 and 360,349.48

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Solution

The fourth proportional to 614,987.56, 848,699.94 and 360,349.48 is: 497,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,987.56 : 848,699.94 = 360,349.48 : x
  2. Step 2: Convert to fraction form
    614,987.56/848,699.94 = 360,349.48/x
  3. Step 3: Cross multiply
    614,987.56x = 848,699.94 × 360,349.48
  4. Step 4: Simplify right side
    614,987.56x = 305,828,582,055.03
  5. Step 5: Solve for x
    x = 305,828,582,055.03/614,987.56
  6. Step 6: Final answer
    x = 497,292.31

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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.