Home / 877,150.40-1,315,768.80-457,246.40

Finding the Fourth Proportional to 877,150.40, 1,315,768.80 and 457,246.40

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Solution

The fourth proportional to 877,150.40, 1,315,768.80 and 457,246.40 is: 685,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,150.40 : 1,315,768.80 = 457,246.40 : x
  2. Step 2: Convert to fraction form
    877,150.40/1,315,768.80 = 457,246.40/x
  3. Step 3: Cross multiply
    877,150.40x = 1,315,768.80 × 457,246.40
  4. Step 4: Simplify right side
    877,150.40x = 601,630,547,032.32
  5. Step 5: Solve for x
    x = 601,630,547,032.32/877,150.40
  6. Step 6: Final answer
    x = 685,892.12

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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.