Home / 760,320.12-1,049,128.86-461,798.62

Finding the Fourth Proportional to 760,320.12, 1,049,128.86 and 461,798.62

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Solution

The fourth proportional to 760,320.12, 1,049,128.86 and 461,798.62 is: 637,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,320.12 : 1,049,128.86 = 461,798.62 : x
  2. Step 2: Convert to fraction form
    760,320.12/1,049,128.86 = 461,798.62/x
  3. Step 3: Cross multiply
    760,320.12x = 1,049,128.86 × 461,798.62
  4. Step 4: Simplify right side
    760,320.12x = 484,486,259,750.17
  5. Step 5: Solve for x
    x = 484,486,259,750.17/760,320.12
  6. Step 6: Final answer
    x = 637,213.52

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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.