Home / 746,998.10-1,121,663.55-432,070.10

Finding the Fourth Proportional to 746,998.10, 1,121,663.55 and 432,070.10

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Solution

The fourth proportional to 746,998.10, 1,121,663.55 and 432,070.10 is: 648,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,998.10 : 1,121,663.55 = 432,070.10 : x
  2. Step 2: Convert to fraction form
    746,998.10/1,121,663.55 = 432,070.10/x
  3. Step 3: Cross multiply
    746,998.10x = 1,121,663.55 × 432,070.10
  4. Step 4: Simplify right side
    746,998.10x = 484,637,282,214.86
  5. Step 5: Solve for x
    x = 484,637,282,214.86/746,998.10
  6. Step 6: Final answer
    x = 648,779.81

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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.