Home / 648,000.90-972,001.35-364,565.70

Finding the Fourth Proportional to 648,000.90, 972,001.35 and 364,565.70

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Solution

The fourth proportional to 648,000.90, 972,001.35 and 364,565.70 is: 546,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,000.90 : 972,001.35 = 364,565.70 : x
  2. Step 2: Convert to fraction form
    648,000.90/972,001.35 = 364,565.70/x
  3. Step 3: Cross multiply
    648,000.90x = 972,001.35 × 364,565.70
  4. Step 4: Simplify right side
    648,000.90x = 354,358,352,563.70
  5. Step 5: Solve for x
    x = 354,358,352,563.70/648,000.90
  6. Step 6: Final answer
    x = 546,848.55

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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.