Home / 855,442.26-1,282,580.18-433,905.30

Finding the Fourth Proportional to 855,442.26, 1,282,580.18 and 433,905.30

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Solution

The fourth proportional to 855,442.26, 1,282,580.18 and 433,905.30 is: 650,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,442.26 : 1,282,580.18 = 433,905.30 : x
  2. Step 2: Convert to fraction form
    855,442.26/1,282,580.18 = 433,905.30/x
  3. Step 3: Cross multiply
    855,442.26x = 1,282,580.18 × 433,905.30
  4. Step 4: Simplify right side
    855,442.26x = 556,518,337,776.95
  5. Step 5: Solve for x
    x = 556,518,337,776.95/855,442.26
  6. Step 6: Final answer
    x = 650,562.13

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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.