Home / 760,343.85-1,049,157.23-437,990.85

Finding the Fourth Proportional to 760,343.85, 1,049,157.23 and 437,990.85

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Solution

The fourth proportional to 760,343.85, 1,049,157.23 and 437,990.85 is: 604,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,343.85 : 1,049,157.23 = 437,990.85 : x
  2. Step 2: Convert to fraction form
    760,343.85/1,049,157.23 = 437,990.85/x
  3. Step 3: Cross multiply
    760,343.85x = 1,049,157.23 × 437,990.85
  4. Step 4: Simplify right side
    760,343.85x = 459,521,264,761.39
  5. Step 5: Solve for x
    x = 459,521,264,761.39/760,343.85
  6. Step 6: Final answer
    x = 604,359.81

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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.