Home / 781,724.58-1,172,574.55-249,242.02

Finding the Fourth Proportional to 781,724.58, 1,172,574.55 and 249,242.02

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Solution

The fourth proportional to 781,724.58, 1,172,574.55 and 249,242.02 is: 373,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,724.58 : 1,172,574.55 = 249,242.02 : x
  2. Step 2: Convert to fraction form
    781,724.58/1,172,574.55 = 249,242.02/x
  3. Step 3: Cross multiply
    781,724.58x = 1,172,574.55 × 249,242.02
  4. Step 4: Simplify right side
    781,724.58x = 292,254,849,442.59
  5. Step 5: Solve for x
    x = 292,254,849,442.59/781,724.58
  6. Step 6: Final answer
    x = 373,859.10

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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.