Home / 735,430.72-1,014,011.44-531,155.20

Finding the Fourth Proportional to 735,430.72, 1,014,011.44 and 531,155.20

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Solution

The fourth proportional to 735,430.72, 1,014,011.44 and 531,155.20 is: 732,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,430.72 : 1,014,011.44 = 531,155.20 : x
  2. Step 2: Convert to fraction form
    735,430.72/1,014,011.44 = 531,155.20/x
  3. Step 3: Cross multiply
    735,430.72x = 1,014,011.44 × 531,155.20
  4. Step 4: Simplify right side
    735,430.72x = 538,597,449,215.49
  5. Step 5: Solve for x
    x = 538,597,449,215.49/735,430.72
  6. Step 6: Final answer
    x = 732,356.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.