Home / 970,541.80-1,455,812.70-260,641.60

Finding the Fourth Proportional to 970,541.80, 1,455,812.70 and 260,641.60

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Solution

The fourth proportional to 970,541.80, 1,455,812.70 and 260,641.60 is: 390,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,541.80 : 1,455,812.70 = 260,641.60 : x
  2. Step 2: Convert to fraction form
    970,541.80/1,455,812.70 = 260,641.60/x
  3. Step 3: Cross multiply
    970,541.80x = 1,455,812.70 × 260,641.60
  4. Step 4: Simplify right side
    970,541.80x = 379,445,351,428.32
  5. Step 5: Solve for x
    x = 379,445,351,428.32/970,541.80
  6. Step 6: Final answer
    x = 390,962.40

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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.