Home / 917,048.63-1,375,130.52-384,426.65

Finding the Fourth Proportional to 917,048.63, 1,375,130.52 and 384,426.65

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Solution

The fourth proportional to 917,048.63, 1,375,130.52 and 384,426.65 is: 576,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,048.63 : 1,375,130.52 = 384,426.65 : x
  2. Step 2: Convert to fraction form
    917,048.63/1,375,130.52 = 384,426.65/x
  3. Step 3: Cross multiply
    917,048.63x = 1,375,130.52 × 384,426.65
  4. Step 4: Simplify right side
    917,048.63x = 528,636,822,554.18
  5. Step 5: Solve for x
    x = 528,636,822,554.18/917,048.63
  6. Step 6: Final answer
    x = 576,454.51

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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.