Home / 899,089.86-1,349,298.45-425,774.46

Finding the Fourth Proportional to 899,089.86, 1,349,298.45 and 425,774.46

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Solution

The fourth proportional to 899,089.86, 1,349,298.45 and 425,774.46 is: 638,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,089.86 : 1,349,298.45 = 425,774.46 : x
  2. Step 2: Convert to fraction form
    899,089.86/1,349,298.45 = 425,774.46/x
  3. Step 3: Cross multiply
    899,089.86x = 1,349,298.45 × 425,774.46
  4. Step 4: Simplify right side
    899,089.86x = 574,496,818,927.59
  5. Step 5: Solve for x
    x = 574,496,818,927.59/899,089.86
  6. Step 6: Final answer
    x = 638,975.97

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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.