Home / 942,052.80-1,300,042.40-512,342.40

Finding the Fourth Proportional to 942,052.80, 1,300,042.40 and 512,342.40

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Solution

The fourth proportional to 942,052.80, 1,300,042.40 and 512,342.40 is: 707,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,052.80 : 1,300,042.40 = 512,342.40 : x
  2. Step 2: Convert to fraction form
    942,052.80/1,300,042.40 = 512,342.40/x
  3. Step 3: Cross multiply
    942,052.80x = 1,300,042.40 × 512,342.40
  4. Step 4: Simplify right side
    942,052.80x = 666,066,843,317.76
  5. Step 5: Solve for x
    x = 666,066,843,317.76/942,052.80
  6. Step 6: Final answer
    x = 707,037.70

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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.