Home / 761,265.04-1,050,070.58-489,686.98

Finding the Fourth Proportional to 761,265.04, 1,050,070.58 and 489,686.98

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Solution

The fourth proportional to 761,265.04, 1,050,070.58 and 489,686.98 is: 675,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,265.04 : 1,050,070.58 = 489,686.98 : x
  2. Step 2: Convert to fraction form
    761,265.04/1,050,070.58 = 489,686.98/x
  3. Step 3: Cross multiply
    761,265.04x = 1,050,070.58 × 489,686.98
  4. Step 4: Simplify right side
    761,265.04x = 514,205,891,107.05
  5. Step 5: Solve for x
    x = 514,205,891,107.05/761,265.04
  6. Step 6: Final answer
    x = 675,462.37

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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.