Home / 890,302.84-1,228,640.78-546,328.82

Finding the Fourth Proportional to 890,302.84, 1,228,640.78 and 546,328.82

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Solution

The fourth proportional to 890,302.84, 1,228,640.78 and 546,328.82 is: 753,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,302.84 : 1,228,640.78 = 546,328.82 : x
  2. Step 2: Convert to fraction form
    890,302.84/1,228,640.78 = 546,328.82/x
  3. Step 3: Cross multiply
    890,302.84x = 1,228,640.78 × 546,328.82
  4. Step 4: Simplify right side
    890,302.84x = 671,241,871,978.70
  5. Step 5: Solve for x
    x = 671,241,871,978.70/890,302.84
  6. Step 6: Final answer
    x = 753,947.81

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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.