Home / 771,012.80-1,076,929.60-771,012.80

Finding the Fourth Proportional to 771,012.80, 1,076,929.60 and 771,012.80

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Solution

The fourth proportional to 771,012.80, 1,076,929.60 and 771,012.80 is: 1,076,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,012.80 : 1,076,929.60 = 771,012.80 : x
  2. Step 2: Convert to fraction form
    771,012.80/1,076,929.60 = 771,012.80/x
  3. Step 3: Cross multiply
    771,012.80x = 1,076,929.60 × 771,012.80
  4. Step 4: Simplify right side
    771,012.80x = 830,326,506,298.88
  5. Step 5: Solve for x
    x = 830,326,506,298.88/771,012.80
  6. Step 6: Final answer
    x = 1,076,929.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.