Home / 898,681.19-1,240,189.91-490,795.02

Finding the Fourth Proportional to 898,681.19, 1,240,189.91 and 490,795.02

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Solution

The fourth proportional to 898,681.19, 1,240,189.91 and 490,795.02 is: 677,302.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,681.19 : 1,240,189.91 = 490,795.02 : x
  2. Step 2: Convert to fraction form
    898,681.19/1,240,189.91 = 490,795.02/x
  3. Step 3: Cross multiply
    898,681.19x = 1,240,189.91 × 490,795.02
  4. Step 4: Simplify right side
    898,681.19x = 608,679,029,228.27
  5. Step 5: Solve for x
    x = 608,679,029,228.27/898,681.19
  6. Step 6: Final answer
    x = 677,302.52

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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.