Home / 885,631.64-1,222,198.62-503,713.40

Finding the Fourth Proportional to 885,631.64, 1,222,198.62 and 503,713.40

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Solution

The fourth proportional to 885,631.64, 1,222,198.62 and 503,713.40 is: 695,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,631.64 : 1,222,198.62 = 503,713.40 : x
  2. Step 2: Convert to fraction form
    885,631.64/1,222,198.62 = 503,713.40/x
  3. Step 3: Cross multiply
    885,631.64x = 1,222,198.62 × 503,713.40
  4. Step 4: Simplify right side
    885,631.64x = 615,637,822,355.51
  5. Step 5: Solve for x
    x = 615,637,822,355.51/885,631.64
  6. Step 6: Final answer
    x = 695,139.82

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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.