Home / 877,337.08-1,316,052.42-278,346.16

Finding the Fourth Proportional to 877,337.08, 1,316,052.42 and 278,346.16

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Solution

The fourth proportional to 877,337.08, 1,316,052.42 and 278,346.16 is: 417,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,337.08 : 1,316,052.42 = 278,346.16 : x
  2. Step 2: Convert to fraction form
    877,337.08/1,316,052.42 = 278,346.16/x
  3. Step 3: Cross multiply
    877,337.08x = 1,316,052.42 × 278,346.16
  4. Step 4: Simplify right side
    877,337.08x = 366,318,137,465.71
  5. Step 5: Solve for x
    x = 366,318,137,465.71/877,337.08
  6. Step 6: Final answer
    x = 417,534.09

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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.