Home / 972,348.18-1,341,832.72-564,487.86

Finding the Fourth Proportional to 972,348.18, 1,341,832.72 and 564,487.86

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Solution

The fourth proportional to 972,348.18, 1,341,832.72 and 564,487.86 is: 778,988.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,348.18 : 1,341,832.72 = 564,487.86 : x
  2. Step 2: Convert to fraction form
    972,348.18/1,341,832.72 = 564,487.86/x
  3. Step 3: Cross multiply
    972,348.18x = 1,341,832.72 × 564,487.86
  4. Step 4: Simplify right side
    972,348.18x = 757,448,285,269.85
  5. Step 5: Solve for x
    x = 757,448,285,269.85/972,348.18
  6. Step 6: Final answer
    x = 778,988.74

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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.