Home / 709,304.40-1,064,004.60-288,587.60

Finding the Fourth Proportional to 709,304.40, 1,064,004.60 and 288,587.60

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Solution

The fourth proportional to 709,304.40, 1,064,004.60 and 288,587.60 is: 432,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,304.40 : 1,064,004.60 = 288,587.60 : x
  2. Step 2: Convert to fraction form
    709,304.40/1,064,004.60 = 288,587.60/x
  3. Step 3: Cross multiply
    709,304.40x = 1,064,004.60 × 288,587.60
  4. Step 4: Simplify right side
    709,304.40x = 307,058,533,902.96
  5. Step 5: Solve for x
    x = 307,058,533,902.96/709,304.40
  6. Step 6: Final answer
    x = 432,900.93

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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.