Home / 766,480.64-1,148,636.84-425,075.13

Finding the Fourth Proportional to 766,480.64, 1,148,636.84 and 425,075.13

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Solution

The fourth proportional to 766,480.64, 1,148,636.84 and 425,075.13 is: 637,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,480.64 : 1,148,636.84 = 425,075.13 : x
  2. Step 2: Convert to fraction form
    766,480.64/1,148,636.84 = 425,075.13/x
  3. Step 3: Cross multiply
    766,480.64x = 1,148,636.84 × 425,075.13
  4. Step 4: Simplify right side
    766,480.64x = 488,256,951,960.41
  5. Step 5: Solve for x
    x = 488,256,951,960.41/766,480.64
  6. Step 6: Final answer
    x = 637,011.46

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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.