Home / 898,681.94-1,240,190.93-490,795.77

Finding the Fourth Proportional to 898,681.94, 1,240,190.93 and 490,795.77

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Solution

The fourth proportional to 898,681.94, 1,240,190.93 and 490,795.77 is: 677,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,681.94 : 1,240,190.93 = 490,795.77 : x
  2. Step 2: Convert to fraction form
    898,681.94/1,240,190.93 = 490,795.77/x
  3. Step 3: Cross multiply
    898,681.94x = 1,240,190.93 × 490,795.77
  4. Step 4: Simplify right side
    898,681.94x = 608,680,459,982.39
  5. Step 5: Solve for x
    x = 608,680,459,982.39/898,681.94
  6. Step 6: Final answer
    x = 677,303.54

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Double scale
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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.