Home / 852,484.12-1,176,344.32-470,486.23

Finding the Fourth Proportional to 852,484.12, 1,176,344.32 and 470,486.23

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Solution

The fourth proportional to 852,484.12, 1,176,344.32 and 470,486.23 is: 649,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,484.12 : 1,176,344.32 = 470,486.23 : x
  2. Step 2: Convert to fraction form
    852,484.12/1,176,344.32 = 470,486.23/x
  3. Step 3: Cross multiply
    852,484.12x = 1,176,344.32 × 470,486.23
  4. Step 4: Simplify right side
    852,484.12x = 553,453,798,416.99
  5. Step 5: Solve for x
    x = 553,453,798,416.99/852,484.12
  6. Step 6: Final answer
    x = 649,224.76

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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.