Home / 711,130.04-1,066,696.08-290,405.91

Finding the Fourth Proportional to 711,130.04, 1,066,696.08 and 290,405.91

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Solution

The fourth proportional to 711,130.04, 1,066,696.08 and 290,405.91 is: 435,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,130.04 : 1,066,696.08 = 290,405.91 : x
  2. Step 2: Convert to fraction form
    711,130.04/1,066,696.08 = 290,405.91/x
  3. Step 3: Cross multiply
    711,130.04x = 1,066,696.08 × 290,405.91
  4. Step 4: Simplify right side
    711,130.04x = 309,774,845,805.83
  5. Step 5: Solve for x
    x = 309,774,845,805.83/711,130.04
  6. Step 6: Final answer
    x = 435,609.28

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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.