Home / 899,855.75-1,349,784.99-360,354.98

Finding the Fourth Proportional to 899,855.75, 1,349,784.99 and 360,354.98

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Solution

The fourth proportional to 899,855.75, 1,349,784.99 and 360,354.98 is: 540,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,855.75 : 1,349,784.99 = 360,354.98 : x
  2. Step 2: Convert to fraction form
    899,855.75/1,349,784.99 = 360,354.98/x
  3. Step 3: Cross multiply
    899,855.75x = 1,349,784.99 × 360,354.98
  4. Step 4: Simplify right side
    899,855.75x = 486,401,736,326.83
  5. Step 5: Solve for x
    x = 486,401,736,326.83/899,855.75
  6. Step 6: Final answer
    x = 540,533.01

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Double scale
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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.