Home / 870,465.27-1,201,295.40-488,492.10

Finding the Fourth Proportional to 870,465.27, 1,201,295.40 and 488,492.10

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Solution

The fourth proportional to 870,465.27, 1,201,295.40 and 488,492.10 is: 674,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,465.27 : 1,201,295.40 = 488,492.10 : x
  2. Step 2: Convert to fraction form
    870,465.27/1,201,295.40 = 488,492.10/x
  3. Step 3: Cross multiply
    870,465.27x = 1,201,295.40 × 488,492.10
  4. Step 4: Simplify right side
    870,465.27x = 586,823,312,666.34
  5. Step 5: Solve for x
    x = 586,823,312,666.34/870,465.27
  6. Step 6: Final answer
    x = 674,149.02

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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.