Home / 870,946.26-1,306,083.48-338,397.18

Finding the Fourth Proportional to 870,946.26, 1,306,083.48 and 338,397.18

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Solution

The fourth proportional to 870,946.26, 1,306,083.48 and 338,397.18 is: 507,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,946.26 : 1,306,083.48 = 338,397.18 : x
  2. Step 2: Convert to fraction form
    870,946.26/1,306,083.48 = 338,397.18/x
  3. Step 3: Cross multiply
    870,946.26x = 1,306,083.48 × 338,397.18
  4. Step 4: Simplify right side
    870,946.26x = 441,974,966,476.59
  5. Step 5: Solve for x
    x = 441,974,966,476.59/870,946.26
  6. Step 6: Final answer
    x = 507,465.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.