Home / 899,117.14-1,349,339.34-425,801.74

Finding the Fourth Proportional to 899,117.14, 1,349,339.34 and 425,801.74

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Solution

The fourth proportional to 899,117.14, 1,349,339.34 and 425,801.74 is: 639,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,117.14 : 1,349,339.34 = 425,801.74 : x
  2. Step 2: Convert to fraction form
    899,117.14/1,349,339.34 = 425,801.74/x
  3. Step 3: Cross multiply
    899,117.14x = 1,349,339.34 × 425,801.74
  4. Step 4: Simplify right side
    899,117.14x = 574,551,038,822.45
  5. Step 5: Solve for x
    x = 574,551,038,822.45/899,117.14
  6. Step 6: Final answer
    x = 639,016.89

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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.