Home / 830,300.99-1,145,826.91-462,767.97

Finding the Fourth Proportional to 830,300.99, 1,145,826.91 and 462,767.97

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Solution

The fourth proportional to 830,300.99, 1,145,826.91 and 462,767.97 is: 638,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,300.99 : 1,145,826.91 = 462,767.97 : x
  2. Step 2: Convert to fraction form
    830,300.99/1,145,826.91 = 462,767.97/x
  3. Step 3: Cross multiply
    830,300.99x = 1,145,826.91 × 462,767.97
  4. Step 4: Simplify right side
    830,300.99x = 530,251,985,069.10
  5. Step 5: Solve for x
    x = 530,251,985,069.10/830,300.99
  6. Step 6: Final answer
    x = 638,626.22

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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.