Home / 830,467.17-1,146,039.48-468,007.38

Finding the Fourth Proportional to 830,467.17, 1,146,039.48 and 468,007.38

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Solution

The fourth proportional to 830,467.17, 1,146,039.48 and 468,007.38 is: 645,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,467.17 : 1,146,039.48 = 468,007.38 : x
  2. Step 2: Convert to fraction form
    830,467.17/1,146,039.48 = 468,007.38/x
  3. Step 3: Cross multiply
    830,467.17x = 1,146,039.48 × 468,007.38
  4. Step 4: Simplify right side
    830,467.17x = 536,354,934,411.36
  5. Step 5: Solve for x
    x = 536,354,934,411.36/830,467.17
  6. Step 6: Final answer
    x = 645,847.25

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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.