Home / 747,075.60-1,031,013.09-424,815.75

Finding the Fourth Proportional to 747,075.60, 1,031,013.09 and 424,815.75

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Solution

The fourth proportional to 747,075.60, 1,031,013.09 and 424,815.75 is: 586,273.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,075.60 : 1,031,013.09 = 424,815.75 : x
  2. Step 2: Convert to fraction form
    747,075.60/1,031,013.09 = 424,815.75/x
  3. Step 3: Cross multiply
    747,075.60x = 1,031,013.09 × 424,815.75
  4. Step 4: Simplify right side
    747,075.60x = 437,990,599,088.17
  5. Step 5: Solve for x
    x = 437,990,599,088.17/747,075.60
  6. Step 6: Final answer
    x = 586,273.46

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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.