Home / 870,006.34-1,304,587.60-510,294.74

Finding the Fourth Proportional to 870,006.34, 1,304,587.60 and 510,294.74

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Solution

The fourth proportional to 870,006.34, 1,304,587.60 and 510,294.74 is: 765,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,006.34 : 1,304,587.60 = 510,294.74 : x
  2. Step 2: Convert to fraction form
    870,006.34/1,304,587.60 = 510,294.74/x
  3. Step 3: Cross multiply
    870,006.34x = 1,304,587.60 × 510,294.74
  4. Step 4: Simplify right side
    870,006.34x = 665,724,190,149.22
  5. Step 5: Solve for x
    x = 665,724,190,149.22/870,006.34
  6. Step 6: Final answer
    x = 765,194.64

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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.