Home / 760,392.40-1,049,390.22-438,096.64

Finding the Fourth Proportional to 760,392.40, 1,049,390.22 and 438,096.64

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Solution

The fourth proportional to 760,392.40, 1,049,390.22 and 438,096.64 is: 604,601.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,392.40 : 1,049,390.22 = 438,096.64 : x
  2. Step 2: Convert to fraction form
    760,392.40/1,049,390.22 = 438,096.64/x
  3. Step 3: Cross multiply
    760,392.40x = 1,049,390.22 × 438,096.64
  4. Step 4: Simplify right side
    760,392.40x = 459,734,329,430.86
  5. Step 5: Solve for x
    x = 459,734,329,430.86/760,392.40
  6. Step 6: Final answer
    x = 604,601.43

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Double scale
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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.