Home / 875,911.20-1,314,061.20-402,482.40

Finding the Fourth Proportional to 875,911.20, 1,314,061.20 and 402,482.40

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Solution

The fourth proportional to 875,911.20, 1,314,061.20 and 402,482.40 is: 603,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,911.20 : 1,314,061.20 = 402,482.40 : x
  2. Step 2: Convert to fraction form
    875,911.20/1,314,061.20 = 402,482.40/x
  3. Step 3: Cross multiply
    875,911.20x = 1,314,061.20 × 402,482.40
  4. Step 4: Simplify right side
    875,911.20x = 528,886,505,522.88
  5. Step 5: Solve for x
    x = 528,886,505,522.88/875,911.20
  6. Step 6: Final answer
    x = 603,812.93

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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.