Home / 685,377.23-946,319.55-550,155.02

Finding the Fourth Proportional to 685,377.23, 946,319.55 and 550,155.02

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Solution

The fourth proportional to 685,377.23, 946,319.55 and 550,155.02 is: 759,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,377.23 : 946,319.55 = 550,155.02 : x
  2. Step 2: Convert to fraction form
    685,377.23/946,319.55 = 550,155.02/x
  3. Step 3: Cross multiply
    685,377.23x = 946,319.55 × 550,155.02
  4. Step 4: Simplify right side
    685,377.23x = 520,622,450,956.64
  5. Step 5: Solve for x
    x = 520,622,450,956.64/685,377.23
  6. Step 6: Final answer
    x = 759,614.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.