Home / 779,692.28-1,076,068.70-473,818.64

Finding the Fourth Proportional to 779,692.28, 1,076,068.70 and 473,818.64

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Solution

The fourth proportional to 779,692.28, 1,076,068.70 and 473,818.64 is: 653,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,692.28 : 1,076,068.70 = 473,818.64 : x
  2. Step 2: Convert to fraction form
    779,692.28/1,076,068.70 = 473,818.64/x
  3. Step 3: Cross multiply
    779,692.28x = 1,076,068.70 × 473,818.64
  4. Step 4: Simplify right side
    779,692.28x = 509,861,407,980.57
  5. Step 5: Solve for x
    x = 509,861,407,980.57/779,692.28
  6. Step 6: Final answer
    x = 653,926.45

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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.