Home / 852,093.70-1,278,140.55-478,068.10

Finding the Fourth Proportional to 852,093.70, 1,278,140.55 and 478,068.10

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Solution

The fourth proportional to 852,093.70, 1,278,140.55 and 478,068.10 is: 717,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,093.70 : 1,278,140.55 = 478,068.10 : x
  2. Step 2: Convert to fraction form
    852,093.70/1,278,140.55 = 478,068.10/x
  3. Step 3: Cross multiply
    852,093.70x = 1,278,140.55 × 478,068.10
  4. Step 4: Simplify right side
    852,093.70x = 611,038,224,271.46
  5. Step 5: Solve for x
    x = 611,038,224,271.46/852,093.70
  6. Step 6: Final answer
    x = 717,102.15

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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.