Home / 927,341.20-1,390,666.20-646,022.80

Finding the Fourth Proportional to 927,341.20, 1,390,666.20 and 646,022.80

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Solution

The fourth proportional to 927,341.20, 1,390,666.20 and 646,022.80 is: 968,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,341.20 : 1,390,666.20 = 646,022.80 : x
  2. Step 2: Convert to fraction form
    927,341.20/1,390,666.20 = 646,022.80/x
  3. Step 3: Cross multiply
    927,341.20x = 1,390,666.20 × 646,022.80
  4. Step 4: Simplify right side
    927,341.20x = 898,402,072,389.36
  5. Step 5: Solve for x
    x = 898,402,072,389.36/927,341.20
  6. Step 6: Final answer
    x = 968,793.44

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1.5x scale

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.