Home / 554,248.49-830,527.09-288,095.45

Finding the Fourth Proportional to 554,248.49, 830,527.09 and 288,095.45

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Solution

The fourth proportional to 554,248.49, 830,527.09 and 288,095.45 is: 431,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,248.49 : 830,527.09 = 288,095.45 : x
  2. Step 2: Convert to fraction form
    554,248.49/830,527.09 = 288,095.45/x
  3. Step 3: Cross multiply
    554,248.49x = 830,527.09 × 288,095.45
  4. Step 4: Simplify right side
    554,248.49x = 239,271,070,857.87
  5. Step 5: Solve for x
    x = 239,271,070,857.87/554,248.49
  6. Step 6: Final answer
    x = 431,703.61

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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.