Home / 927,756.21-1,391,852.10-288,027.27

Finding the Fourth Proportional to 927,756.21, 1,391,852.10 and 288,027.27

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Solution

The fourth proportional to 927,756.21, 1,391,852.10 and 288,027.27 is: 432,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,756.21 : 1,391,852.10 = 288,027.27 : x
  2. Step 2: Convert to fraction form
    927,756.21/1,391,852.10 = 288,027.27/x
  3. Step 3: Cross multiply
    927,756.21x = 1,391,852.10 × 288,027.27
  4. Step 4: Simplify right side
    927,756.21x = 400,891,360,606.77
  5. Step 5: Solve for x
    x = 400,891,360,606.77/927,756.21
  6. Step 6: Final answer
    x = 432,108.52

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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.