Home / 975,345.97-1,345,979.40-545,633.27

Finding the Fourth Proportional to 975,345.97, 1,345,979.40 and 545,633.27

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Solution

The fourth proportional to 975,345.97, 1,345,979.40 and 545,633.27 is: 752,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,345.97 : 1,345,979.40 = 545,633.27 : x
  2. Step 2: Convert to fraction form
    975,345.97/1,345,979.40 = 545,633.27/x
  3. Step 3: Cross multiply
    975,345.97x = 1,345,979.40 × 545,633.27
  4. Step 4: Simplify right side
    975,345.97x = 734,411,141,374.64
  5. Step 5: Solve for x
    x = 734,411,141,374.64/975,345.97
  6. Step 6: Final answer
    x = 752,975.01

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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.