Home / 760,344.15-1,049,323.64-438,048.39

Finding the Fourth Proportional to 760,344.15, 1,049,323.64 and 438,048.39

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Solution

The fourth proportional to 760,344.15, 1,049,323.64 and 438,048.39 is: 604,534.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,344.15 : 1,049,323.64 = 438,048.39 : x
  2. Step 2: Convert to fraction form
    760,344.15/1,049,323.64 = 438,048.39/x
  3. Step 3: Cross multiply
    760,344.15x = 1,049,323.64 × 438,048.39
  4. Step 4: Simplify right side
    760,344.15x = 459,654,528,900.70
  5. Step 5: Solve for x
    x = 459,654,528,900.70/760,344.15
  6. Step 6: Final answer
    x = 604,534.84

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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.