Home / 723,510.40-1,085,654.40-302,828.80

Finding the Fourth Proportional to 723,510.40, 1,085,654.40 and 302,828.80

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Solution

The fourth proportional to 723,510.40, 1,085,654.40 and 302,828.80 is: 454,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,510.40 : 1,085,654.40 = 302,828.80 : x
  2. Step 2: Convert to fraction form
    723,510.40/1,085,654.40 = 302,828.80/x
  3. Step 3: Cross multiply
    723,510.40x = 1,085,654.40 × 302,828.80
  4. Step 4: Simplify right side
    723,510.40x = 328,767,419,166.72
  5. Step 5: Solve for x
    x = 328,767,419,166.72/723,510.40
  6. Step 6: Final answer
    x = 454,405.93

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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.