Home / 760,099.60-1,139,397.40-360,037.20

Finding the Fourth Proportional to 760,099.60, 1,139,397.40 and 360,037.20

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Solution

The fourth proportional to 760,099.60, 1,139,397.40 and 360,037.20 is: 539,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,099.60 : 1,139,397.40 = 360,037.20 : x
  2. Step 2: Convert to fraction form
    760,099.60/1,139,397.40 = 360,037.20/x
  3. Step 3: Cross multiply
    760,099.60x = 1,139,397.40 × 360,037.20
  4. Step 4: Simplify right side
    760,099.60x = 410,225,449,583.28
  5. Step 5: Solve for x
    x = 410,225,449,583.28/760,099.60
  6. Step 6: Final answer
    x = 539,699.60

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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.