Home / 749,814.45-1,034,771.40-427,521.12

Finding the Fourth Proportional to 749,814.45, 1,034,771.40 and 427,521.12

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Solution

The fourth proportional to 749,814.45, 1,034,771.40 and 427,521.12 is: 589,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,814.45 : 1,034,771.40 = 427,521.12 : x
  2. Step 2: Convert to fraction form
    749,814.45/1,034,771.40 = 427,521.12/x
  3. Step 3: Cross multiply
    749,814.45x = 1,034,771.40 × 427,521.12
  4. Step 4: Simplify right side
    749,814.45x = 442,386,627,871.97
  5. Step 5: Solve for x
    x = 442,386,627,871.97/749,814.45
  6. Step 6: Final answer
    x = 589,994.80

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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.