Home / 779,632.23-1,075,910.13-457,574.61

Finding the Fourth Proportional to 779,632.23, 1,075,910.13 and 457,574.61

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Solution

The fourth proportional to 779,632.23, 1,075,910.13 and 457,574.61 is: 631,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,632.23 : 1,075,910.13 = 457,574.61 : x
  2. Step 2: Convert to fraction form
    779,632.23/1,075,910.13 = 457,574.61/x
  3. Step 3: Cross multiply
    779,632.23x = 1,075,910.13 × 457,574.61
  4. Step 4: Simplify right side
    779,632.23x = 492,309,158,129.80
  5. Step 5: Solve for x
    x = 492,309,158,129.80/779,632.23
  6. Step 6: Final answer
    x = 631,463.32

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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.