Home / 760,811.51-1,051,013.51-607,648.61

Finding the Fourth Proportional to 760,811.51, 1,051,013.51 and 607,648.61

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Solution

The fourth proportional to 760,811.51, 1,051,013.51 and 607,648.61 is: 839,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,811.51 : 1,051,013.51 = 607,648.61 : x
  2. Step 2: Convert to fraction form
    760,811.51/1,051,013.51 = 607,648.61/x
  3. Step 3: Cross multiply
    760,811.51x = 1,051,013.51 × 607,648.61
  4. Step 4: Simplify right side
    760,811.51x = 638,646,900,310.69
  5. Step 5: Solve for x
    x = 638,646,900,310.69/760,811.51
  6. Step 6: Final answer
    x = 839,428.54

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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.