Home / 839,389.62-1,158,302.24-471,923.40

Finding the Fourth Proportional to 839,389.62, 1,158,302.24 and 471,923.40

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Solution

The fourth proportional to 839,389.62, 1,158,302.24 and 471,923.40 is: 651,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,389.62 : 1,158,302.24 = 471,923.40 : x
  2. Step 2: Convert to fraction form
    839,389.62/1,158,302.24 = 471,923.40/x
  3. Step 3: Cross multiply
    839,389.62x = 1,158,302.24 × 471,923.40
  4. Step 4: Simplify right side
    839,389.62x = 546,629,931,328.42
  5. Step 5: Solve for x
    x = 546,629,931,328.42/839,389.62
  6. Step 6: Final answer
    x = 651,223.12

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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.