Home / 852,170.02-1,176,019.16-470,221.40

Finding the Fourth Proportional to 852,170.02, 1,176,019.16 and 470,221.40

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Solution

The fourth proportional to 852,170.02, 1,176,019.16 and 470,221.40 is: 648,919.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,170.02 : 1,176,019.16 = 470,221.40 : x
  2. Step 2: Convert to fraction form
    852,170.02/1,176,019.16 = 470,221.40/x
  3. Step 3: Cross multiply
    852,170.02x = 1,176,019.16 × 470,221.40
  4. Step 4: Simplify right side
    852,170.02x = 552,989,376,430.97
  5. Step 5: Solve for x
    x = 552,989,376,430.97/852,170.02
  6. Step 6: Final answer
    x = 648,919.07

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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.