Home / 770,627.20-1,155,787.20-371,267.20

Finding the Fourth Proportional to 770,627.20, 1,155,787.20 and 371,267.20

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Solution

The fourth proportional to 770,627.20, 1,155,787.20 and 371,267.20 is: 556,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,627.20 : 1,155,787.20 = 371,267.20 : x
  2. Step 2: Convert to fraction form
    770,627.20/1,155,787.20 = 371,267.20/x
  3. Step 3: Cross multiply
    770,627.20x = 1,155,787.20 × 371,267.20
  4. Step 4: Simplify right side
    770,627.20x = 429,105,877,539.84
  5. Step 5: Solve for x
    x = 429,105,877,539.84/770,627.20
  6. Step 6: Final answer
    x = 556,826.80

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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.