Home / 977,107.08-1,465,853.70-472,019.40

Finding the Fourth Proportional to 977,107.08, 1,465,853.70 and 472,019.40

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Solution

The fourth proportional to 977,107.08, 1,465,853.70 and 472,019.40 is: 708,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,107.08 : 1,465,853.70 = 472,019.40 : x
  2. Step 2: Convert to fraction form
    977,107.08/1,465,853.70 = 472,019.40/x
  3. Step 3: Cross multiply
    977,107.08x = 1,465,853.70 × 472,019.40
  4. Step 4: Simplify right side
    977,107.08x = 691,911,383,961.78
  5. Step 5: Solve for x
    x = 691,911,383,961.78/977,107.08
  6. Step 6: Final answer
    x = 708,122.37

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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.