Home / 483,276.72-724,946.67-128,281.26

Finding the Fourth Proportional to 483,276.72, 724,946.67 and 128,281.26

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Solution

The fourth proportional to 483,276.72, 724,946.67 and 128,281.26 is: 192,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,276.72 : 724,946.67 = 128,281.26 : x
  2. Step 2: Convert to fraction form
    483,276.72/724,946.67 = 128,281.26/x
  3. Step 3: Cross multiply
    483,276.72x = 724,946.67 × 128,281.26
  4. Step 4: Simplify right side
    483,276.72x = 92,997,072,260.40
  5. Step 5: Solve for x
    x = 92,997,072,260.40/483,276.72
  6. Step 6: Final answer
    x = 192,430.28

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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.