Home / 784,547.06-1,176,995.43-285,911.06

Finding the Fourth Proportional to 784,547.06, 1,176,995.43 and 285,911.06

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Solution

The fourth proportional to 784,547.06, 1,176,995.43 and 285,911.06 is: 428,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,547.06 : 1,176,995.43 = 285,911.06 : x
  2. Step 2: Convert to fraction form
    784,547.06/1,176,995.43 = 285,911.06/x
  3. Step 3: Cross multiply
    784,547.06x = 1,176,995.43 × 285,911.06
  4. Step 4: Simplify right side
    784,547.06x = 336,516,011,006.46
  5. Step 5: Solve for x
    x = 336,516,011,006.46/784,547.06
  6. Step 6: Final answer
    x = 428,930.31

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Double scale
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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.