Home / 364,718.40-547,077.60-258,430.20

Finding the Fourth Proportional to 364,718.40, 547,077.60 and 258,430.20

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Solution

The fourth proportional to 364,718.40, 547,077.60 and 258,430.20 is: 387,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,718.40 : 547,077.60 = 258,430.20 : x
  2. Step 2: Convert to fraction form
    364,718.40/547,077.60 = 258,430.20/x
  3. Step 3: Cross multiply
    364,718.40x = 547,077.60 × 258,430.20
  4. Step 4: Simplify right side
    364,718.40x = 141,381,373,583.52
  5. Step 5: Solve for x
    x = 141,381,373,583.52/364,718.40
  6. Step 6: Final answer
    x = 387,645.30

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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.