Home / 875,028-1,312,547.46-243,947.28

Finding the Fourth Proportional to 875,028, 1,312,547.46 and 243,947.28

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Solution

The fourth proportional to 875,028, 1,312,547.46 and 243,947.28 is: 365,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,028 : 1,312,547.46 = 243,947.28 : x
  2. Step 2: Convert to fraction form
    875,028/1,312,547.46 = 243,947.28/x
  3. Step 3: Cross multiply
    875,028x = 1,312,547.46 × 243,947.28
  4. Step 4: Simplify right side
    875,028x = 320,192,382,737.91
  5. Step 5: Solve for x
    x = 320,192,382,737.91/875,028
  6. Step 6: Final answer
    x = 365,922.44

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Similar ratio
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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.