Home / 785,670.03-1,084,355.10-463,459.32

Finding the Fourth Proportional to 785,670.03, 1,084,355.10 and 463,459.32

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Solution

The fourth proportional to 785,670.03, 1,084,355.10 and 463,459.32 is: 639,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,670.03 : 1,084,355.10 = 463,459.32 : x
  2. Step 2: Convert to fraction form
    785,670.03/1,084,355.10 = 463,459.32/x
  3. Step 3: Cross multiply
    785,670.03x = 1,084,355.10 × 463,459.32
  4. Step 4: Simplify right side
    785,670.03x = 502,554,477,284.53
  5. Step 5: Solve for x
    x = 502,554,477,284.53/785,670.03
  6. Step 6: Final answer
    x = 639,650.82

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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.