Home / 742,483.40-1,024,630.74-402,952.04

Finding the Fourth Proportional to 742,483.40, 1,024,630.74 and 402,952.04

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Solution

The fourth proportional to 742,483.40, 1,024,630.74 and 402,952.04 is: 556,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,483.40 : 1,024,630.74 = 402,952.04 : x
  2. Step 2: Convert to fraction form
    742,483.40/1,024,630.74 = 402,952.04/x
  3. Step 3: Cross multiply
    742,483.40x = 1,024,630.74 × 402,952.04
  4. Step 4: Simplify right side
    742,483.40x = 412,877,046,929.71
  5. Step 5: Solve for x
    x = 412,877,046,929.71/742,483.40
  6. Step 6: Final answer
    x = 556,075.80

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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.