Home / 784,501.10-1,176,751.65-215,881.10

Finding the Fourth Proportional to 784,501.10, 1,176,751.65 and 215,881.10

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Solution

The fourth proportional to 784,501.10, 1,176,751.65 and 215,881.10 is: 323,821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,501.10 : 1,176,751.65 = 215,881.10 : x
  2. Step 2: Convert to fraction form
    784,501.10/1,176,751.65 = 215,881.10/x
  3. Step 3: Cross multiply
    784,501.10x = 1,176,751.65 × 215,881.10
  4. Step 4: Simplify right side
    784,501.10x = 254,038,440,628.82
  5. Step 5: Solve for x
    x = 254,038,440,628.82/784,501.10
  6. Step 6: Final answer
    x = 323,821.65

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Double scale
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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.