Home / 777,483.96-1,163,592.60-478,154.40

Finding the Fourth Proportional to 777,483.96, 1,163,592.60 and 478,154.40

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Solution

The fourth proportional to 777,483.96, 1,163,592.60 and 478,154.40 is: 715,612.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,483.96 : 1,163,592.60 = 478,154.40 : x
  2. Step 2: Convert to fraction form
    777,483.96/1,163,592.60 = 478,154.40/x
  3. Step 3: Cross multiply
    777,483.96x = 1,163,592.60 × 478,154.40
  4. Step 4: Simplify right side
    777,483.96x = 556,376,921,497.44
  5. Step 5: Solve for x
    x = 556,376,921,497.44/777,483.96
  6. Step 6: Final answer
    x = 715,612.09

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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.