Home / 879,774.30-1,319,661.45-564,846.30

Finding the Fourth Proportional to 879,774.30, 1,319,661.45 and 564,846.30

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Solution

The fourth proportional to 879,774.30, 1,319,661.45 and 564,846.30 is: 847,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,774.30 : 1,319,661.45 = 564,846.30 : x
  2. Step 2: Convert to fraction form
    879,774.30/1,319,661.45 = 564,846.30/x
  3. Step 3: Cross multiply
    879,774.30x = 1,319,661.45 × 564,846.30
  4. Step 4: Simplify right side
    879,774.30x = 745,405,887,285.14
  5. Step 5: Solve for x
    x = 745,405,887,285.14/879,774.30
  6. Step 6: Final answer
    x = 847,269.45

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Double scale
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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.