Home / 870,567.48-1,201,500.36-488,615.16

Finding the Fourth Proportional to 870,567.48, 1,201,500.36 and 488,615.16

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Solution

The fourth proportional to 870,567.48, 1,201,500.36 and 488,615.16 is: 674,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,567.48 : 1,201,500.36 = 488,615.16 : x
  2. Step 2: Convert to fraction form
    870,567.48/1,201,500.36 = 488,615.16/x
  3. Step 3: Cross multiply
    870,567.48x = 1,201,500.36 × 488,615.16
  4. Step 4: Simplify right side
    870,567.48x = 587,071,290,641.46
  5. Step 5: Solve for x
    x = 587,071,290,641.46/870,567.48
  6. Step 6: Final answer
    x = 674,354.72

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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.