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Finding the Fourth Proportional to 607,599.70, 911,399.55 and 556,423.90

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Solution

The fourth proportional to 607,599.70, 911,399.55 and 556,423.90 is: 834,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,599.70 : 911,399.55 = 556,423.90 : x
  2. Step 2: Convert to fraction form
    607,599.70/911,399.55 = 556,423.90/x
  3. Step 3: Cross multiply
    607,599.70x = 911,399.55 × 556,423.90
  4. Step 4: Simplify right side
    607,599.70x = 507,124,492,069.25
  5. Step 5: Solve for x
    x = 507,124,492,069.25/607,599.70
  6. Step 6: Final answer
    x = 834,635.85

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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.