Home / 917,364.60-1,376,046.90-637,428.60

Finding the Fourth Proportional to 917,364.60, 1,376,046.90 and 637,428.60

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Solution

The fourth proportional to 917,364.60, 1,376,046.90 and 637,428.60 is: 956,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,364.60 : 1,376,046.90 = 637,428.60 : x
  2. Step 2: Convert to fraction form
    917,364.60/1,376,046.90 = 637,428.60/x
  3. Step 3: Cross multiply
    917,364.60x = 1,376,046.90 × 637,428.60
  4. Step 4: Simplify right side
    917,364.60x = 877,131,649,001.34
  5. Step 5: Solve for x
    x = 877,131,649,001.34/917,364.60
  6. Step 6: Final answer
    x = 956,142.90

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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.