Home / 875,250.10-1,312,097.55-519,886.90

Finding the Fourth Proportional to 875,250.10, 1,312,097.55 and 519,886.90

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Solution

The fourth proportional to 875,250.10, 1,312,097.55 and 519,886.90 is: 779,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,250.10 : 1,312,097.55 = 519,886.90 : x
  2. Step 2: Convert to fraction form
    875,250.10/1,312,097.55 = 519,886.90/x
  3. Step 3: Cross multiply
    875,250.10x = 1,312,097.55 × 519,886.90
  4. Step 4: Simplify right side
    875,250.10x = 682,142,327,767.10
  5. Step 5: Solve for x
    x = 682,142,327,767.10/875,250.10
  6. Step 6: Final answer
    x = 779,368.47

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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.