Home / 901,029.42-1,242,921.51-578,377.26

Finding the Fourth Proportional to 901,029.42, 1,242,921.51 and 578,377.26

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Solution

The fourth proportional to 901,029.42, 1,242,921.51 and 578,377.26 is: 797,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,029.42 : 1,242,921.51 = 578,377.26 : x
  2. Step 2: Convert to fraction form
    901,029.42/1,242,921.51 = 578,377.26/x
  3. Step 3: Cross multiply
    901,029.42x = 1,242,921.51 × 578,377.26
  4. Step 4: Simplify right side
    901,029.42x = 718,877,537,348.86
  5. Step 5: Solve for x
    x = 718,877,537,348.86/901,029.42
  6. Step 6: Final answer
    x = 797,840.25

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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.