Home / 916,450.56-1,264,668.64-508,570.20

Finding the Fourth Proportional to 916,450.56, 1,264,668.64 and 508,570.20

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Solution

The fourth proportional to 916,450.56, 1,264,668.64 and 508,570.20 is: 701,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,450.56 : 1,264,668.64 = 508,570.20 : x
  2. Step 2: Convert to fraction form
    916,450.56/1,264,668.64 = 508,570.20/x
  3. Step 3: Cross multiply
    916,450.56x = 1,264,668.64 × 508,570.20
  4. Step 4: Simplify right side
    916,450.56x = 643,172,783,178.53
  5. Step 5: Solve for x
    x = 643,172,783,178.53/916,450.56
  6. Step 6: Final answer
    x = 701,808.49

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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.