Home / 870,567.36-1,201,500.48-488,615.28

Finding the Fourth Proportional to 870,567.36, 1,201,500.48 and 488,615.28

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Solution

The fourth proportional to 870,567.36, 1,201,500.48 and 488,615.28 is: 674,355.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,567.36 : 1,201,500.48 = 488,615.28 : x
  2. Step 2: Convert to fraction form
    870,567.36/1,201,500.48 = 488,615.28/x
  3. Step 3: Cross multiply
    870,567.36x = 1,201,500.48 × 488,615.28
  4. Step 4: Simplify right side
    870,567.36x = 587,071,493,455.34
  5. Step 5: Solve for x
    x = 587,071,493,455.34/870,567.36
  6. Step 6: Final answer
    x = 674,355.05

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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.