Home / 875,114.90-1,312,672.35-519,946.10

Finding the Fourth Proportional to 875,114.90, 1,312,672.35 and 519,946.10

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Solution

The fourth proportional to 875,114.90, 1,312,672.35 and 519,946.10 is: 779,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,114.90 : 1,312,672.35 = 519,946.10 : x
  2. Step 2: Convert to fraction form
    875,114.90/1,312,672.35 = 519,946.10/x
  3. Step 3: Cross multiply
    875,114.90x = 1,312,672.35 × 519,946.10
  4. Step 4: Simplify right side
    875,114.90x = 682,518,868,960.34
  5. Step 5: Solve for x
    x = 682,518,868,960.34/875,114.90
  6. Step 6: Final answer
    x = 779,919.15

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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.