Home / 824,875.64-1,138,341.84-462,380.12

Finding the Fourth Proportional to 824,875.64, 1,138,341.84 and 462,380.12

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Solution

The fourth proportional to 824,875.64, 1,138,341.84 and 462,380.12 is: 638,092.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,875.64 : 1,138,341.84 = 462,380.12 : x
  2. Step 2: Convert to fraction form
    824,875.64/1,138,341.84 = 462,380.12/x
  3. Step 3: Cross multiply
    824,875.64x = 1,138,341.84 × 462,380.12
  4. Step 4: Simplify right side
    824,875.64x = 526,346,636,580.22
  5. Step 5: Solve for x
    x = 526,346,636,580.22/824,875.64
  6. Step 6: Final answer
    x = 638,092.11

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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.