Home / 892,547.70-1,231,407.92-570,446.34

Finding the Fourth Proportional to 892,547.70, 1,231,407.92 and 570,446.34

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Solution

The fourth proportional to 892,547.70, 1,231,407.92 and 570,446.34 is: 787,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,547.70 : 1,231,407.92 = 570,446.34 : x
  2. Step 2: Convert to fraction form
    892,547.70/1,231,407.92 = 570,446.34/x
  3. Step 3: Cross multiply
    892,547.70x = 1,231,407.92 × 570,446.34
  4. Step 4: Simplify right side
    892,547.70x = 702,452,141,011.01
  5. Step 5: Solve for x
    x = 702,452,141,011.01/892,547.70
  6. Step 6: Final answer
    x = 787,019.16

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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.