Home / 875,263.49-1,208,267.15-512,637.29

Finding the Fourth Proportional to 875,263.49, 1,208,267.15 and 512,637.29

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Solution

The fourth proportional to 875,263.49, 1,208,267.15 and 512,637.29 is: 707,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,263.49 : 1,208,267.15 = 512,637.29 : x
  2. Step 2: Convert to fraction form
    875,263.49/1,208,267.15 = 512,637.29/x
  3. Step 3: Cross multiply
    875,263.49x = 1,208,267.15 × 512,637.29
  4. Step 4: Simplify right side
    875,263.49x = 619,402,797,372.02
  5. Step 5: Solve for x
    x = 619,402,797,372.02/875,263.49
  6. Step 6: Final answer
    x = 707,675.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.