Home / 903,408.51-1,246,705.52-495,513.67

Finding the Fourth Proportional to 903,408.51, 1,246,705.52 and 495,513.67

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Solution

The fourth proportional to 903,408.51, 1,246,705.52 and 495,513.67 is: 683,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,408.51 : 1,246,705.52 = 495,513.67 : x
  2. Step 2: Convert to fraction form
    903,408.51/1,246,705.52 = 495,513.67/x
  3. Step 3: Cross multiply
    903,408.51x = 1,246,705.52 × 495,513.67
  4. Step 4: Simplify right side
    903,408.51x = 617,759,627,624.46
  5. Step 5: Solve for x
    x = 617,759,627,624.46/903,408.51
  6. Step 6: Final answer
    x = 683,809.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.