Home / 715,411.26-986,281.04-570,708.18

Finding the Fourth Proportional to 715,411.26, 986,281.04 and 570,708.18

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Solution

The fourth proportional to 715,411.26, 986,281.04 and 570,708.18 is: 786,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,411.26 : 986,281.04 = 570,708.18 : x
  2. Step 2: Convert to fraction form
    715,411.26/986,281.04 = 570,708.18/x
  3. Step 3: Cross multiply
    715,411.26x = 986,281.04 × 570,708.18
  4. Step 4: Simplify right side
    715,411.26x = 562,878,657,306.91
  5. Step 5: Solve for x
    x = 562,878,657,306.91/715,411.26
  6. Step 6: Final answer
    x = 786,790.32

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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.