Home / 976,628.80-1,347,629.76-546,875.20

Finding the Fourth Proportional to 976,628.80, 1,347,629.76 and 546,875.20

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Solution

The fourth proportional to 976,628.80, 1,347,629.76 and 546,875.20 is: 754,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,628.80 : 1,347,629.76 = 546,875.20 : x
  2. Step 2: Convert to fraction form
    976,628.80/1,347,629.76 = 546,875.20/x
  3. Step 3: Cross multiply
    976,628.80x = 1,347,629.76 × 546,875.20
  4. Step 4: Simplify right side
    976,628.80x = 736,985,294,525.95
  5. Step 5: Solve for x
    x = 736,985,294,525.95/976,628.80
  6. Step 6: Final answer
    x = 754,621.71

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Double scale
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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.