Home / 768,540.40-1,060,541.76-429,030.16

Finding the Fourth Proportional to 768,540.40, 1,060,541.76 and 429,030.16

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Solution

The fourth proportional to 768,540.40, 1,060,541.76 and 429,030.16 is: 592,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,540.40 : 1,060,541.76 = 429,030.16 : x
  2. Step 2: Convert to fraction form
    768,540.40/1,060,541.76 = 429,030.16/x
  3. Step 3: Cross multiply
    768,540.40x = 1,060,541.76 × 429,030.16
  4. Step 4: Simplify right side
    768,540.40x = 455,004,400,979.48
  5. Step 5: Solve for x
    x = 455,004,400,979.48/768,540.40
  6. Step 6: Final answer
    x = 592,037.06

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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.