Home / 826,501.20-1,239,751.80-558,812.40

Finding the Fourth Proportional to 826,501.20, 1,239,751.80 and 558,812.40

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Solution

The fourth proportional to 826,501.20, 1,239,751.80 and 558,812.40 is: 838,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,501.20 : 1,239,751.80 = 558,812.40 : x
  2. Step 2: Convert to fraction form
    826,501.20/1,239,751.80 = 558,812.40/x
  3. Step 3: Cross multiply
    826,501.20x = 1,239,751.80 × 558,812.40
  4. Step 4: Simplify right side
    826,501.20x = 692,788,678,762.32
  5. Step 5: Solve for x
    x = 692,788,678,762.32/826,501.20
  6. Step 6: Final answer
    x = 838,218.60

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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.