Home / 904,048.62-1,355,580.81-272,880.42

Finding the Fourth Proportional to 904,048.62, 1,355,580.81 and 272,880.42

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Solution

The fourth proportional to 904,048.62, 1,355,580.81 and 272,880.42 is: 409,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,048.62 : 1,355,580.81 = 272,880.42 : x
  2. Step 2: Convert to fraction form
    904,048.62/1,355,580.81 = 272,880.42/x
  3. Step 3: Cross multiply
    904,048.62x = 1,355,580.81 × 272,880.42
  4. Step 4: Simplify right side
    904,048.62x = 369,911,460,776.74
  5. Step 5: Solve for x
    x = 369,911,460,776.74/904,048.62
  6. Step 6: Final answer
    x = 409,172.09

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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.