Home / 824,470.39-1,137,769.25-456,971.23

Finding the Fourth Proportional to 824,470.39, 1,137,769.25 and 456,971.23

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Solution

The fourth proportional to 824,470.39, 1,137,769.25 and 456,971.23 is: 630,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,470.39 : 1,137,769.25 = 456,971.23 : x
  2. Step 2: Convert to fraction form
    824,470.39/1,137,769.25 = 456,971.23/x
  3. Step 3: Cross multiply
    824,470.39x = 1,137,769.25 × 456,971.23
  4. Step 4: Simplify right side
    824,470.39x = 519,927,808,499.40
  5. Step 5: Solve for x
    x = 519,927,808,499.40/824,470.39
  6. Step 6: Final answer
    x = 630,620.36

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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.