Home / 785,671.03-1,084,356.48-463,460.32

Finding the Fourth Proportional to 785,671.03, 1,084,356.48 and 463,460.32

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Solution

The fourth proportional to 785,671.03, 1,084,356.48 and 463,460.32 is: 639,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,671.03 : 1,084,356.48 = 463,460.32 : x
  2. Step 2: Convert to fraction form
    785,671.03/1,084,356.48 = 463,460.32/x
  3. Step 3: Cross multiply
    785,671.03x = 1,084,356.48 × 463,460.32
  4. Step 4: Simplify right side
    785,671.03x = 502,556,201,214.87
  5. Step 5: Solve for x
    x = 502,556,201,214.87/785,671.03
  6. Step 6: Final answer
    x = 639,652.20

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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.