Home / 903,236.34-1,355,082.32-637,515.84

Finding the Fourth Proportional to 903,236.34, 1,355,082.32 and 637,515.84

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Solution

The fourth proportional to 903,236.34, 1,355,082.32 and 637,515.84 is: 956,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,236.34 : 1,355,082.32 = 637,515.84 : x
  2. Step 2: Convert to fraction form
    903,236.34/1,355,082.32 = 637,515.84/x
  3. Step 3: Cross multiply
    903,236.34x = 1,355,082.32 × 637,515.84
  4. Step 4: Simplify right side
    903,236.34x = 863,886,445,097.74
  5. Step 5: Solve for x
    x = 863,886,445,097.74/903,236.34
  6. Step 6: Final answer
    x = 956,434.55

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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.