Home / 760,928.92-1,050,079.86-438,637.24

Finding the Fourth Proportional to 760,928.92, 1,050,079.86 and 438,637.24

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Solution

The fourth proportional to 760,928.92, 1,050,079.86 and 438,637.24 is: 605,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,928.92 : 1,050,079.86 = 438,637.24 : x
  2. Step 2: Convert to fraction form
    760,928.92/1,050,079.86 = 438,637.24/x
  3. Step 3: Cross multiply
    760,928.92x = 1,050,079.86 × 438,637.24
  4. Step 4: Simplify right side
    760,928.92x = 460,604,131,569.99
  5. Step 5: Solve for x
    x = 460,604,131,569.99/760,928.92
  6. Step 6: Final answer
    x = 605,318.21

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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.