Home / 852,171.02-1,176,020.54-470,222.40

Finding the Fourth Proportional to 852,171.02, 1,176,020.54 and 470,222.40

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Solution

The fourth proportional to 852,171.02, 1,176,020.54 and 470,222.40 is: 648,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,171.02 : 1,176,020.54 = 470,222.40 : x
  2. Step 2: Convert to fraction form
    852,171.02/1,176,020.54 = 470,222.40/x
  3. Step 3: Cross multiply
    852,171.02x = 1,176,020.54 × 470,222.40
  4. Step 4: Simplify right side
    852,171.02x = 552,991,200,768.10
  5. Step 5: Solve for x
    x = 552,991,200,768.10/852,171.02
  6. Step 6: Final answer
    x = 648,920.45

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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.