Home / 875,225.90-1,310,214.45-520,057.10

Finding the Fourth Proportional to 875,225.90, 1,310,214.45 and 520,057.10

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Solution

The fourth proportional to 875,225.90, 1,310,214.45 and 520,057.10 is: 778,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,225.90 : 1,310,214.45 = 520,057.10 : x
  2. Step 2: Convert to fraction form
    875,225.90/1,310,214.45 = 520,057.10/x
  3. Step 3: Cross multiply
    875,225.90x = 1,310,214.45 × 520,057.10
  4. Step 4: Simplify right side
    875,225.90x = 681,386,327,245.10
  5. Step 5: Solve for x
    x = 681,386,327,245.10/875,225.90
  6. Step 6: Final answer
    x = 778,526.24

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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.