Home / 713,557.60-1,069,429.20-292,357.60

Finding the Fourth Proportional to 713,557.60, 1,069,429.20 and 292,357.60

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Solution

The fourth proportional to 713,557.60, 1,069,429.20 and 292,357.60 is: 438,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,557.60 : 1,069,429.20 = 292,357.60 : x
  2. Step 2: Convert to fraction form
    713,557.60/1,069,429.20 = 292,357.60/x
  3. Step 3: Cross multiply
    713,557.60x = 1,069,429.20 × 292,357.60
  4. Step 4: Simplify right side
    713,557.60x = 312,655,754,281.92
  5. Step 5: Solve for x
    x = 312,655,754,281.92/713,557.60
  6. Step 6: Final answer
    x = 438,164.70

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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.