Home / 651,743.20-977,614.80-402,565.60

Finding the Fourth Proportional to 651,743.20, 977,614.80 and 402,565.60

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Solution

The fourth proportional to 651,743.20, 977,614.80 and 402,565.60 is: 603,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,743.20 : 977,614.80 = 402,565.60 : x
  2. Step 2: Convert to fraction form
    651,743.20/977,614.80 = 402,565.60/x
  3. Step 3: Cross multiply
    651,743.20x = 977,614.80 × 402,565.60
  4. Step 4: Simplify right side
    651,743.20x = 393,554,088,530.88
  5. Step 5: Solve for x
    x = 393,554,088,530.88/651,743.20
  6. Step 6: Final answer
    x = 603,848.40

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