Home / 870,592.34-1,201,417.44-488,619.12

Finding the Fourth Proportional to 870,592.34, 1,201,417.44 and 488,619.12

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Solution

The fourth proportional to 870,592.34, 1,201,417.44 and 488,619.12 is: 674,294.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,592.34 : 1,201,417.44 = 488,619.12 : x
  2. Step 2: Convert to fraction form
    870,592.34/1,201,417.44 = 488,619.12/x
  3. Step 3: Cross multiply
    870,592.34x = 1,201,417.44 × 488,619.12
  4. Step 4: Simplify right side
    870,592.34x = 587,035,532,285.45
  5. Step 5: Solve for x
    x = 587,035,532,285.45/870,592.34
  6. Step 6: Final answer
    x = 674,294.39

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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.