Home / 924,933.40-1,387,400.10-260,085.40

Finding the Fourth Proportional to 924,933.40, 1,387,400.10 and 260,085.40

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Solution

The fourth proportional to 924,933.40, 1,387,400.10 and 260,085.40 is: 390,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,933.40 : 1,387,400.10 = 260,085.40 : x
  2. Step 2: Convert to fraction form
    924,933.40/1,387,400.10 = 260,085.40/x
  3. Step 3: Cross multiply
    924,933.40x = 1,387,400.10 × 260,085.40
  4. Step 4: Simplify right side
    924,933.40x = 360,842,509,968.54
  5. Step 5: Solve for x
    x = 360,842,509,968.54/924,933.40
  6. Step 6: Final answer
    x = 390,128.10

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Double scale
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Similar ratio
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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.