Home / 899,017.40-1,349,291.55-366,920.30

Finding the Fourth Proportional to 899,017.40, 1,349,291.55 and 366,920.30

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Solution

The fourth proportional to 899,017.40, 1,349,291.55 and 366,920.30 is: 550,692.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,017.40 : 1,349,291.55 = 366,920.30 : x
  2. Step 2: Convert to fraction form
    899,017.40/1,349,291.55 = 366,920.30/x
  3. Step 3: Cross multiply
    899,017.40x = 1,349,291.55 × 366,920.30
  4. Step 4: Simplify right side
    899,017.40x = 495,082,460,313.47
  5. Step 5: Solve for x
    x = 495,082,460,313.47/899,017.40
  6. Step 6: Final answer
    x = 550,692.86

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Double scale
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Similar ratio
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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.