Home / 745,075.04-1,028,175.02-422,765.91

Finding the Fourth Proportional to 745,075.04, 1,028,175.02 and 422,765.91

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Solution

The fourth proportional to 745,075.04, 1,028,175.02 and 422,765.91 is: 583,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,075.04 : 1,028,175.02 = 422,765.91 : x
  2. Step 2: Convert to fraction form
    745,075.04/1,028,175.02 = 422,765.91/x
  3. Step 3: Cross multiply
    745,075.04x = 1,028,175.02 × 422,765.91
  4. Step 4: Simplify right side
    745,075.04x = 434,677,345,855.74
  5. Step 5: Solve for x
    x = 434,677,345,855.74/745,075.04
  6. Step 6: Final answer
    x = 583,400.77

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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.