Home / 843,145.57-1,163,511.43-480,686.16

Finding the Fourth Proportional to 843,145.57, 1,163,511.43 and 480,686.16

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Solution

The fourth proportional to 843,145.57, 1,163,511.43 and 480,686.16 is: 663,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,145.57 : 1,163,511.43 = 480,686.16 : x
  2. Step 2: Convert to fraction form
    843,145.57/1,163,511.43 = 480,686.16/x
  3. Step 3: Cross multiply
    843,145.57x = 1,163,511.43 × 480,686.16
  4. Step 4: Simplify right side
    843,145.57x = 559,283,841,402.81
  5. Step 5: Solve for x
    x = 559,283,841,402.81/843,145.57
  6. Step 6: Final answer
    x = 663,330.11

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Double scale
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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.