Home / 803,122.80-1,108,123.60-480,710.40

Finding the Fourth Proportional to 803,122.80, 1,108,123.60 and 480,710.40

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Solution

The fourth proportional to 803,122.80, 1,108,123.60 and 480,710.40 is: 663,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,122.80 : 1,108,123.60 = 480,710.40 : x
  2. Step 2: Convert to fraction form
    803,122.80/1,108,123.60 = 480,710.40/x
  3. Step 3: Cross multiply
    803,122.80x = 1,108,123.60 × 480,710.40
  4. Step 4: Simplify right side
    803,122.80x = 532,686,539,005.44
  5. Step 5: Solve for x
    x = 532,686,539,005.44/803,122.80
  6. Step 6: Final answer
    x = 663,269.10

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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.