Home / 830,679.06-1,146,337.61-448,706.01

Finding the Fourth Proportional to 830,679.06, 1,146,337.61 and 448,706.01

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Solution

The fourth proportional to 830,679.06, 1,146,337.61 and 448,706.01 is: 619,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,679.06 : 1,146,337.61 = 448,706.01 : x
  2. Step 2: Convert to fraction form
    830,679.06/1,146,337.61 = 448,706.01/x
  3. Step 3: Cross multiply
    830,679.06x = 1,146,337.61 × 448,706.01
  4. Step 4: Simplify right side
    830,679.06x = 514,368,572,852.51
  5. Step 5: Solve for x
    x = 514,368,572,852.51/830,679.06
  6. Step 6: Final answer
    x = 619,214.57

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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.