Home / 817,316.49-1,226,020.85-248,716.13

Finding the Fourth Proportional to 817,316.49, 1,226,020.85 and 248,716.13

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Solution

The fourth proportional to 817,316.49, 1,226,020.85 and 248,716.13 is: 373,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,316.49 : 1,226,020.85 = 248,716.13 : x
  2. Step 2: Convert to fraction form
    817,316.49/1,226,020.85 = 248,716.13/x
  3. Step 3: Cross multiply
    817,316.49x = 1,226,020.85 × 248,716.13
  4. Step 4: Simplify right side
    817,316.49x = 304,931,154,981.21
  5. Step 5: Solve for x
    x = 304,931,154,981.21/817,316.49
  6. Step 6: Final answer
    x = 373,088.22

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Double scale
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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.