Home / 708,216.52-977,326.02-385,928.68

Finding the Fourth Proportional to 708,216.52, 977,326.02 and 385,928.68

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Solution

The fourth proportional to 708,216.52, 977,326.02 and 385,928.68 is: 532,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,216.52 : 977,326.02 = 385,928.68 : x
  2. Step 2: Convert to fraction form
    708,216.52/977,326.02 = 385,928.68/x
  3. Step 3: Cross multiply
    708,216.52x = 977,326.02 × 385,928.68
  4. Step 4: Simplify right side
    708,216.52x = 377,178,140,828.25
  5. Step 5: Solve for x
    x = 377,178,140,828.25/708,216.52
  6. Step 6: Final answer
    x = 532,574.62

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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.