Home / 870,275.36-1,305,424.56-337,826.72

Finding the Fourth Proportional to 870,275.36, 1,305,424.56 and 337,826.72

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Solution

The fourth proportional to 870,275.36, 1,305,424.56 and 337,826.72 is: 506,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,275.36 : 1,305,424.56 = 337,826.72 : x
  2. Step 2: Convert to fraction form
    870,275.36/1,305,424.56 = 337,826.72/x
  3. Step 3: Cross multiply
    870,275.36x = 1,305,424.56 × 337,826.72
  4. Step 4: Simplify right side
    870,275.36x = 441,007,297,312.24
  5. Step 5: Solve for x
    x = 441,007,297,312.24/870,275.36
  6. Step 6: Final answer
    x = 506,744.55

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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.