Home / 899,103.04-1,348,848.96-478,317.76

Finding the Fourth Proportional to 899,103.04, 1,348,848.96 and 478,317.76

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Solution

The fourth proportional to 899,103.04, 1,348,848.96 and 478,317.76 is: 717,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,103.04 : 1,348,848.96 = 478,317.76 : x
  2. Step 2: Convert to fraction form
    899,103.04/1,348,848.96 = 478,317.76/x
  3. Step 3: Cross multiply
    899,103.04x = 1,348,848.96 × 478,317.76
  4. Step 4: Simplify right side
    899,103.04x = 645,178,413,125.53
  5. Step 5: Solve for x
    x = 645,178,413,125.53/899,103.04
  6. Step 6: Final answer
    x = 717,580.06

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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.