Home / 747,899.50-1,031,577.54-506,075.62

Finding the Fourth Proportional to 747,899.50, 1,031,577.54 and 506,075.62

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Solution

The fourth proportional to 747,899.50, 1,031,577.54 and 506,075.62 is: 698,029.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,899.50 : 1,031,577.54 = 506,075.62 : x
  2. Step 2: Convert to fraction form
    747,899.50/1,031,577.54 = 506,075.62/x
  3. Step 3: Cross multiply
    747,899.50x = 1,031,577.54 × 506,075.62
  4. Step 4: Simplify right side
    747,899.50x = 522,056,243,133.58
  5. Step 5: Solve for x
    x = 522,056,243,133.58/747,899.50
  6. Step 6: Final answer
    x = 698,029.94

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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.