Home / 723,729.60-1,085,597.19-302,710.14

Finding the Fourth Proportional to 723,729.60, 1,085,597.19 and 302,710.14

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Solution

The fourth proportional to 723,729.60, 1,085,597.19 and 302,710.14 is: 454,066.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,729.60 : 1,085,597.19 = 302,710.14 : x
  2. Step 2: Convert to fraction form
    723,729.60/1,085,597.19 = 302,710.14/x
  3. Step 3: Cross multiply
    723,729.60x = 1,085,597.19 × 302,710.14
  4. Step 4: Simplify right side
    723,729.60x = 328,621,277,368.51
  5. Step 5: Solve for x
    x = 328,621,277,368.51/723,729.60
  6. Step 6: Final answer
    x = 454,066.38

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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.