Home / 870,521.67-1,201,437.23-488,569.41

Finding the Fourth Proportional to 870,521.67, 1,201,437.23 and 488,569.41

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Solution

The fourth proportional to 870,521.67, 1,201,437.23 and 488,569.41 is: 674,291.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,521.67 : 1,201,437.23 = 488,569.41 : x
  2. Step 2: Convert to fraction form
    870,521.67/1,201,437.23 = 488,569.41/x
  3. Step 3: Cross multiply
    870,521.67x = 1,201,437.23 × 488,569.41
  4. Step 4: Simplify right side
    870,521.67x = 586,985,476,170.29
  5. Step 5: Solve for x
    x = 586,985,476,170.29/870,521.67
  6. Step 6: Final answer
    x = 674,291.63

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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.