Home / 760,543.38-1,049,478.62-454,558.98

Finding the Fourth Proportional to 760,543.38, 1,049,478.62 and 454,558.98

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Solution

The fourth proportional to 760,543.38, 1,049,478.62 and 454,558.98 is: 627,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,543.38 : 1,049,478.62 = 454,558.98 : x
  2. Step 2: Convert to fraction form
    760,543.38/1,049,478.62 = 454,558.98/x
  3. Step 3: Cross multiply
    760,543.38x = 1,049,478.62 × 454,558.98
  4. Step 4: Simplify right side
    760,543.38x = 477,049,931,039.01
  5. Step 5: Solve for x
    x = 477,049,931,039.01/760,543.38
  6. Step 6: Final answer
    x = 627,248.81

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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.