Home / 479,669.49-662,030.55-286,089.62

Finding the Fourth Proportional to 479,669.49, 662,030.55 and 286,089.62

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Solution

The fourth proportional to 479,669.49, 662,030.55 and 286,089.62 is: 394,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,669.49 : 662,030.55 = 286,089.62 : x
  2. Step 2: Convert to fraction form
    479,669.49/662,030.55 = 286,089.62/x
  3. Step 3: Cross multiply
    479,669.49x = 662,030.55 × 286,089.62
  4. Step 4: Simplify right side
    479,669.49x = 189,400,065,167.74
  5. Step 5: Solve for x
    x = 189,400,065,167.74/479,669.49
  6. Step 6: Final answer
    x = 394,855.35

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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.