Home / 424,918.90-586,430.44-317,302.10

Finding the Fourth Proportional to 424,918.90, 586,430.44 and 317,302.10

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Solution

The fourth proportional to 424,918.90, 586,430.44 and 317,302.10 is: 437,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,918.90 : 586,430.44 = 317,302.10 : x
  2. Step 2: Convert to fraction form
    424,918.90/586,430.44 = 317,302.10/x
  3. Step 3: Cross multiply
    424,918.90x = 586,430.44 × 317,302.10
  4. Step 4: Simplify right side
    424,918.90x = 186,075,607,183.77
  5. Step 5: Solve for x
    x = 186,075,607,183.77/424,918.90
  6. Step 6: Final answer
    x = 437,908.52

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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.