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Finding the Fourth Proportional to 553,500.30, 830,250.45 and 553,500.30

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Solution

The fourth proportional to 553,500.30, 830,250.45 and 553,500.30 is: 830,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,500.30 : 830,250.45 = 553,500.30 : x
  2. Step 2: Convert to fraction form
    553,500.30/830,250.45 = 553,500.30/x
  3. Step 3: Cross multiply
    553,500.30x = 830,250.45 × 553,500.30
  4. Step 4: Simplify right side
    553,500.30x = 459,543,873,150.14
  5. Step 5: Solve for x
    x = 459,543,873,150.14/553,500.30
  6. Step 6: Final answer
    x = 830,250.45

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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.