Home / 875,305.20-1,312,957.80-501,020.40

Finding the Fourth Proportional to 875,305.20, 1,312,957.80 and 501,020.40

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Solution

The fourth proportional to 875,305.20, 1,312,957.80 and 501,020.40 is: 751,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,305.20 : 1,312,957.80 = 501,020.40 : x
  2. Step 2: Convert to fraction form
    875,305.20/1,312,957.80 = 501,020.40/x
  3. Step 3: Cross multiply
    875,305.20x = 1,312,957.80 × 501,020.40
  4. Step 4: Simplify right side
    875,305.20x = 657,818,642,139.12
  5. Step 5: Solve for x
    x = 657,818,642,139.12/875,305.20
  6. Step 6: Final answer
    x = 751,530.60

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Similar ratio
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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.