Home / 786,071.22-1,084,746.93-446,501.94

Finding the Fourth Proportional to 786,071.22, 1,084,746.93 and 446,501.94

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Solution

The fourth proportional to 786,071.22, 1,084,746.93 and 446,501.94 is: 616,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,071.22 : 1,084,746.93 = 446,501.94 : x
  2. Step 2: Convert to fraction form
    786,071.22/1,084,746.93 = 446,501.94/x
  3. Step 3: Cross multiply
    786,071.22x = 1,084,746.93 × 446,501.94
  4. Step 4: Simplify right side
    786,071.22x = 484,341,608,654.04
  5. Step 5: Solve for x
    x = 484,341,608,654.04/786,071.22
  6. Step 6: Final answer
    x = 616,154.87

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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.