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Finding the Fourth Proportional to 560,146.10, 840,219.15 and 560,146.10

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Solution

The fourth proportional to 560,146.10, 840,219.15 and 560,146.10 is: 840,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,146.10 : 840,219.15 = 560,146.10 : x
  2. Step 2: Convert to fraction form
    560,146.10/840,219.15 = 560,146.10/x
  3. Step 3: Cross multiply
    560,146.10x = 840,219.15 × 560,146.10
  4. Step 4: Simplify right side
    560,146.10x = 470,645,480,017.82
  5. Step 5: Solve for x
    x = 470,645,480,017.82/560,146.10
  6. Step 6: Final answer
    x = 840,219.15

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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.