Home / 740,957.28-1,111,484.88-291,642.72

Finding the Fourth Proportional to 740,957.28, 1,111,484.88 and 291,642.72

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Solution

The fourth proportional to 740,957.28, 1,111,484.88 and 291,642.72 is: 437,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,957.28 : 1,111,484.88 = 291,642.72 : x
  2. Step 2: Convert to fraction form
    740,957.28/1,111,484.88 = 291,642.72/x
  3. Step 3: Cross multiply
    740,957.28x = 1,111,484.88 × 291,642.72
  4. Step 4: Simplify right side
    740,957.28x = 324,156,473,642.07
  5. Step 5: Solve for x
    x = 324,156,473,642.07/740,957.28
  6. Step 6: Final answer
    x = 437,483.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.