Home / 985,777.27-1,478,030.02-386,798.94

Finding the Fourth Proportional to 985,777.27, 1,478,030.02 and 386,798.94

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Solution

The fourth proportional to 985,777.27, 1,478,030.02 and 386,798.94 is: 579,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,777.27 : 1,478,030.02 = 386,798.94 : x
  2. Step 2: Convert to fraction form
    985,777.27/1,478,030.02 = 386,798.94/x
  3. Step 3: Cross multiply
    985,777.27x = 1,478,030.02 × 386,798.94
  4. Step 4: Simplify right side
    985,777.27x = 571,700,444,057.18
  5. Step 5: Solve for x
    x = 571,700,444,057.18/985,777.27
  6. Step 6: Final answer
    x = 579,948.90

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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.