Home / 572,075.92-789,501.90-317,427.76

Finding the Fourth Proportional to 572,075.92, 789,501.90 and 317,427.76

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Solution

The fourth proportional to 572,075.92, 789,501.90 and 317,427.76 is: 438,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,075.92 : 789,501.90 = 317,427.76 : x
  2. Step 2: Convert to fraction form
    572,075.92/789,501.90 = 317,427.76/x
  3. Step 3: Cross multiply
    572,075.92x = 789,501.90 × 317,427.76
  4. Step 4: Simplify right side
    572,075.92x = 250,609,819,632.74
  5. Step 5: Solve for x
    x = 250,609,819,632.74/572,075.92
  6. Step 6: Final answer
    x = 438,070.91

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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.