Home / 838,021.04-1,156,495.27-475,460.18

Finding the Fourth Proportional to 838,021.04, 1,156,495.27 and 475,460.18

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Solution

The fourth proportional to 838,021.04, 1,156,495.27 and 475,460.18 is: 656,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,021.04 : 1,156,495.27 = 475,460.18 : x
  2. Step 2: Convert to fraction form
    838,021.04/1,156,495.27 = 475,460.18/x
  3. Step 3: Cross multiply
    838,021.04x = 1,156,495.27 × 475,460.18
  4. Step 4: Simplify right side
    838,021.04x = 549,867,447,500.57
  5. Step 5: Solve for x
    x = 549,867,447,500.57/838,021.04
  6. Step 6: Final answer
    x = 656,149.93

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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.