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Finding the Fourth Proportional to 586,051.20, 879,076.80 and 579,830.40

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Solution

The fourth proportional to 586,051.20, 879,076.80 and 579,830.40 is: 869,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,051.20 : 879,076.80 = 579,830.40 : x
  2. Step 2: Convert to fraction form
    586,051.20/879,076.80 = 579,830.40/x
  3. Step 3: Cross multiply
    586,051.20x = 879,076.80 × 579,830.40
  4. Step 4: Simplify right side
    586,051.20x = 509,715,452,574.72
  5. Step 5: Solve for x
    x = 509,715,452,574.72/586,051.20
  6. Step 6: Final answer
    x = 869,745.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.