Home / 875,244.60-1,312,089.30-519,881.40

Finding the Fourth Proportional to 875,244.60, 1,312,089.30 and 519,881.40

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Solution

The fourth proportional to 875,244.60, 1,312,089.30 and 519,881.40 is: 779,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,244.60 : 1,312,089.30 = 519,881.40 : x
  2. Step 2: Convert to fraction form
    875,244.60/1,312,089.30 = 519,881.40/x
  3. Step 3: Cross multiply
    875,244.60x = 1,312,089.30 × 519,881.40
  4. Step 4: Simplify right side
    875,244.60x = 682,130,822,209.02
  5. Step 5: Solve for x
    x = 682,130,822,209.02/875,244.60
  6. Step 6: Final answer
    x = 779,360.22

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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.