Home / 910,435.38-1,256,400.94-502,537.32

Finding the Fourth Proportional to 910,435.38, 1,256,400.94 and 502,537.32

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Solution

The fourth proportional to 910,435.38, 1,256,400.94 and 502,537.32 is: 693,501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,435.38 : 1,256,400.94 = 502,537.32 : x
  2. Step 2: Convert to fraction form
    910,435.38/1,256,400.94 = 502,537.32/x
  3. Step 3: Cross multiply
    910,435.38x = 1,256,400.94 × 502,537.32
  4. Step 4: Simplify right side
    910,435.38x = 631,388,361,233.08
  5. Step 5: Solve for x
    x = 631,388,361,233.08/910,435.38
  6. Step 6: Final answer
    x = 693,501.57

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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.