Home / 824,733.28-1,138,113.47-480,547.81

Finding the Fourth Proportional to 824,733.28, 1,138,113.47 and 480,547.81

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Solution

The fourth proportional to 824,733.28, 1,138,113.47 and 480,547.81 is: 663,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,733.28 : 1,138,113.47 = 480,547.81 : x
  2. Step 2: Convert to fraction form
    824,733.28/1,138,113.47 = 480,547.81/x
  3. Step 3: Cross multiply
    824,733.28x = 1,138,113.47 × 480,547.81
  4. Step 4: Simplify right side
    824,733.28x = 546,917,933,896.09
  5. Step 5: Solve for x
    x = 546,917,933,896.09/824,733.28
  6. Step 6: Final answer
    x = 663,145.22

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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.