Home / 767,340-1,058,931.30-423,167.40

Finding the Fourth Proportional to 767,340, 1,058,931.30 and 423,167.40

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Solution

The fourth proportional to 767,340, 1,058,931.30 and 423,167.40 is: 583,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,340 : 1,058,931.30 = 423,167.40 : x
  2. Step 2: Convert to fraction form
    767,340/1,058,931.30 = 423,167.40/x
  3. Step 3: Cross multiply
    767,340x = 1,058,931.30 × 423,167.40
  4. Step 4: Simplify right side
    767,340x = 448,105,204,999.62
  5. Step 5: Solve for x
    x = 448,105,204,999.62/767,340
  6. Step 6: Final answer
    x = 583,972.17

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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.