Home / 897,718.70-1,347,312.45-890,720.30

Finding the Fourth Proportional to 897,718.70, 1,347,312.45 and 890,720.30

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Solution

The fourth proportional to 897,718.70, 1,347,312.45 and 890,720.30 is: 1,336,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,718.70 : 1,347,312.45 = 890,720.30 : x
  2. Step 2: Convert to fraction form
    897,718.70/1,347,312.45 = 890,720.30/x
  3. Step 3: Cross multiply
    897,718.70x = 1,347,312.45 × 890,720.30
  4. Step 4: Simplify right side
    897,718.70x = 1,200,078,549,657.74
  5. Step 5: Solve for x
    x = 1,200,078,549,657.74/897,718.70
  6. Step 6: Final answer
    x = 1,336,809.12

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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.