Home / 708,085.08-977,145.07-385,797.52

Finding the Fourth Proportional to 708,085.08, 977,145.07 and 385,797.52

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Solution

The fourth proportional to 708,085.08, 977,145.07 and 385,797.52 is: 532,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,085.08 : 977,145.07 = 385,797.52 : x
  2. Step 2: Convert to fraction form
    708,085.08/977,145.07 = 385,797.52/x
  3. Step 3: Cross multiply
    708,085.08x = 977,145.07 × 385,797.52
  4. Step 4: Simplify right side
    708,085.08x = 376,980,137,871.51
  5. Step 5: Solve for x
    x = 376,980,137,871.51/708,085.08
  6. Step 6: Final answer
    x = 532,393.85

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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.