Home / 760,321.12-1,049,130.24-461,799.62

Finding the Fourth Proportional to 760,321.12, 1,049,130.24 and 461,799.62

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Solution

The fourth proportional to 760,321.12, 1,049,130.24 and 461,799.62 is: 637,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,321.12 : 1,049,130.24 = 461,799.62 : x
  2. Step 2: Convert to fraction form
    760,321.12/1,049,130.24 = 461,799.62/x
  3. Step 3: Cross multiply
    760,321.12x = 1,049,130.24 × 461,799.62
  4. Step 4: Simplify right side
    760,321.12x = 484,487,946,162.51
  5. Step 5: Solve for x
    x = 484,487,946,162.51/760,321.12
  6. Step 6: Final answer
    x = 637,214.90

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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.